Blocks Definition and 767 Threads

Code::Blocks is a free, open-source cross-platform IDE that supports multiple compilers including GCC, Clang and Visual C++. It is developed in C++ using wxWidgets as the GUI toolkit. Using a plugin architecture, its capabilities and features are defined by the provided plugins.
Currently, Code::Blocks is oriented towards C, C++, and Fortran. It has a custom build system and optional Make support.
Code::Blocks is being developed for Windows and Linux and has been ported to FreeBSD, OpenBSD and Solaris. The latest binary provided for macOS version is 13.12 released on 2013/12/26 (compatible with Mac OS X 10.6 and later), but more recent versions can be compiled and MacPorts supplies version 17.12.

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  1. P

    Launching Blocks up Ramps- Velocity and Height

    Homework Statement A 3.2 kg wood block is launched up a wooden ramp that is inclined at a 20° angle. The block's initial speed is 8 m/s. (Use µk = 0.20 for the coefficient of kinetic friction for wood on wood.) (a) What vertical height does the block reach above its starting point? _____m...
  2. M

    2 blocks, frictions, and no numbers

    Block A, with mass mA, is initially at rest on a horizontal floor. Block B, with mass mB, is initially at rest on the horizontal top surface of A. The coefficient of static friction between the two blocks is μs. Block A is pulled with a horizontal force. It begins to slide out from under B if...
  3. C

    Newton's Laws, blocks of mass and string

    Homework Statement Two small blocks each of mass m, are connected by a string of constant length 4h and negligible mass. Block A is placed on a smooth tabletop and block B hangs over the edge of the table. The tabletop is a distance 2h above the floor. Block B is a distance h above the...
  4. R

    Calculating Contact Forces Between Three Blocks on a Frictionless Surface

    Homework Statement Three blocks on a frictionless horizontal surface are in contact with each other. A force F is applied to block A (mass mA ). If mA=mB=mC=10.0 kg and F = 96.0 N, determine the force of contact that each block exerts on its neighbor. Homework Equations The Attempt...
  5. C

    Tension between 2 blocks and friction.

    Homework Statement A block of mass m1 = 2 kg and a block of mass m2 = 3 kg are tied together and are pulled from rest across the floor by a force of P = 25 N. The coefficient of friction of the blocks with the floor is µ = 0.14. I found the acceleration to be 3.6266 m/s2. I need...
  6. R

    What is the tension in the string for two blocks on a spinning turntable?

    Two identical blocks are tied together with a string and placed along the same radius of a turntable that is spinning about its center. The inner block is 4 cm from the center and the outer block is 5 cm from the center. The coefficient of static friction between the turntable and the blocks is...
  7. L

    Finding Maximum Angular Frequency and Tension on a Turntable

    Homework Statement Two identical blocks are tied together with a string and placed along the same radius of a turntable that is spinning about its center. The inner block is 3 cm from the center and the outer block is 5 cm from the center. The coefficient of static friction between the...
  8. V

    Maximizing Angular Frequency for Non-Sliding Blocks on a Turntable

    Hey guys I am having a hard time trying to solve this problem and I was hoping someone could help me out with it because to be honest I don't even have any idea how to start it. Problem: Two identical blocks are tied together with a string and placed along the same radius of a turntable...
  9. C

    What is the tension in the string?

    forces act on blocks A and B, which are connected by a string. Force FA = (15 N) i acts on block A, with mass 5.0 kg. Force FB = (24 N) i acts on block B, with mass 6.0 kg. What is the tension in the string? Fa Fb -> -> [A]---[B]--> F=ma (15N+24N)=(5.0kg+6.0kg)(a)...
  10. M

    Flash: Stop motion blocks gotoAndPlay

    I think I found a bug in Flash. It spans from CS3 to MX and perhaps earlier. I did a stop motion animation of me turning the pages of a scrap book (frames of a video recording). Then I put labels on each frame where a page is completely turned and did some actionscript (gotoAndPlay) so that I...
  11. R

    Find the acceleration of blocks - Friction problem

    Homework Statement Refer to diagram. Find acceleration of each block: n1,n2, n3 are coefficients of friction. if a force of 10 N acts on the middle block, find the acceleration of each. Homework Equations F=ma The Attempt at a Solution a1,a2,a3 are accelerations of bodies, taken...
  12. W

    Friction and moving blocks on inclines

    This is a GRE question, but it's so basic I thought I'd just put it here. Here it is with the solution: http://grephysics.net/ans/9277/6 The answer is "D" by the way. So my problem is with the way the weight of the block is distributed. I get that each triangular block only "feels"...
  13. P

    Two blocks and a spring and Free Body Diagrams

    Homework Statement 20: Two boxes are sitting on top of one another. The top box has a mass of 5kg and is connected to the wall by an unstretched spring, k=2000N/m. The bottom box is 10kg. the static friction coefficient between the 2 boxes is 0.5, the kinetic friction coefficient between the...
  14. S

    What is the Tension in a Two-Block System?

    Whoops, I know i made another post but i didnt realize i have another question that i left blank: The weight of the block on a table is 452 N and that of the hanging block is 220 N. Ignore all frictional effects, and assuming the pulley to be massless. What is Acceleration of the two...
  15. P

    Two Blocks and Pulley (Rotational Statics & Dynamics)

    Here's the problem: http://img187.imageshack.us/img187/5958/showmenq5.gif A block of mass m1 = 1 kg rests on a table with which it has a coefficient of friction µ = 0.52. A string attached to the block passes over a pulley to a block of mass m3 = 3 kg. The pulley is a uniform disk of mass...
  16. M

    Can the normal force between a blocks accelerating together be zero?

    Homework Statement Three rectangular blocks of equal mass m slide to the right along a frictionless horizontal surface accelerated by a force F applied to the left side of the left-most block. (a) Draw a free-body diagram for each block. (b) Determine the magnitudes and directions of all of...
  17. S

    AC & Diode: What Happens When Wave Enters?

    Hey guys, just thought id clarify what happens when an AC current passes through a diode. Say for instance the wave featured in the link below entered a diode, what would it look like once it leaves the diode? http://www.pcguide.com/ref/power/ext/z_ac.gif
  18. H

    Two blocks - one on a table and one hanging - acceleration with friction

    [SOLVED] Two blocks - one on a table and one hanging - acceleration with friction Homework Statement h ttp://bildr.no/view/186531 that's a link to an image of the problem Block A (mass 2.25kg) rests on a table top, it is connected by a horizontal cord passing over a light , frictionless...
  19. N

    Solving Pushing Two Blocks Kinetic Energy

    Homework Statement There are two blocks touching each other, block A, and block B. Block A is being pushed by a force, which in turn moves block A and B at the same time. Block A has a mass of 4kg, block B has a mass of 1kg. (so the force is pushing the larger block, which is pushing the...
  20. S

    Blocks connected by rope, Newton's Third Law

    The figure shows two 1.0 kg blocks connected by a rope. A second rope hangs beneath the lower block. Both ropes have a mass of 250 g. The entire assembly is accelerated upward at by force. What is F? What is the tension at the top end of rope 1? What is the tension at the bottom end of rope 1...
  21. I

    Conservation of energy of two blocks

    [SOLVED] conservation of energy Homework Statement Two blocks, of masses M = 1.9 kg and 2M are connected to a spring of spring constant k = 220 N/m that has one end fixed, as shown in the figure below. The horizontal surface and the pulley are frictionless, and the pulley has negligible mass...
  22. M

    Work and kinetic energy of two blocks

    Homework Statement Two blocks of mass m1 and m2 (m1 > m2) slide on a frictionless floor and have the same kinetic energy when they hit a long rough stretch (coeff. of kinetic friction > 0), which slows them down to a stop. Which one goes farther? Homework Equations W = Fd..iono...
  23. A

    Two blocks with different mass

    Two blocks with different mass are attached to either end of a light rope that passes over a light, frictionless pulley that is suspended from the ceiling. The masses are released from rest, and the more massive one starts to descend. After this block has descended a distance 1.40 , its speed is...
  24. ~christina~

    Blocks, a spring, and a collision

    Homework Statement Block 1 of mass 0.200 kg is sliding to the right over a frictionless elevated surface at a speed of 8.00 m / s as shown in the figure below. The block undergoes an elastic collision with stationary block 2, which is attached to a spring of spring constant 1208.5 N / m...
  25. B

    Forces Acting On Two Blocks : mostly conceptual

    Homework Statement Block A is on top of Block B, which is on a frictionless incline. The mass of Block A is less than that of Block B. The positive x-direction is defined to be up the ramp. During the interval from t1 to t2 a hand exerts a constant force on block A in the positive...
  26. K

    What Is the Mass of the More Massive Block?

    Homework Statement Two blocks with different mass are attached to either end of a light rope that passes over a light, frictionless pulley that is suspended from the ceiling. The masses are released from rest, and the more massive one starts to descend. After this block has descended a...
  27. S

    How Does Configuration Affect Frictional Forces on Identical Blocks?

    The blocks shown have equal mass and are made of the same material,and the velocity is the same in each figure. The total frictional force on the blocks are A. Greater in C than in A or B B. The same in C and A C. The same in A,B, C D. The same in A and B E. The same in C and B. Isnt...
  28. B

    How Do You Calculate the Tension T2 Between Blocks in a Frictional System?

    Homework Statement There are three blocks on a table. They are connected by a massless cord and pulled to the right. From rigt to left, it follows: T3, block 3, T2, block 2, T1, block 1 m1: 2.5kg m2: 9.5kg m3: 1.5kg mu kinetic: .051 The pulling force is equal to T_3 = 98.0 N. What is...
  29. T

    What is the acceleration of block B?

    [SOLVED] Friction and blocks Homework Statement Three blocks are attached by cords that loop over frictionless pulleys. Block B lies on a frictionless table; the masses are mA=6kg, mB=6kg, and mC=18kg. The accleration due to gravity is g. Homework Equations F=ma The Attempt at a...
  30. S

    Calculating Contact Forces between Blocks

    Homework Statement Three blocks are in contact with each other on a frictionless, horizontal surface, as in Figure P5.54. A horizontal force F is applied to m1. Take m1 = 2.00 kg, m2 = 3.00 kg, m3 = 4.00 kg, and F = 22.0 N. (c)What is the magnitude of the contact force between m1 and m2...
  31. A

    Find the Contact Force Between Two Blocks

    Two blocks are in contact on a frictionless table. A horizontal force F is applied to M2, as shown. If M1 = 1.51kg, M2 = 3.96kg, and F = 4.55N, find the size of the contact force between the two blocks. So first I found the acceleration (F=ma) 4.55/(1.51+3.96) = 0.83 = acceleration Im...
  32. S

    Two Blocks on an Incline: Solving for Acceleration and Tension

    SOLVED :) Homework Statement https://tycho-s.phys.washington.edu/cgi/courses/shell/common/showme.pl?courses/phys114/winter08/homework/04d/2blocks_incline_NWT/5.gif The figure shows two identical blocks tied together with a string which passes over a pulley at the crest of the inclined...
  33. S

    Calculating Tension and Acceleration in a Two-Pulley System

    Hope someone can help me with this one. I have two blocks with m1 and m2 connected to two pulleys. I need to figure out T1, T2, a1, and a2 using only the values of g, m1, and m2. But I've been unable to come up with an equation that will work with it. I have a picture attached. I tried using...
  34. S

    Find Contact Force Between 2 Blocks

    [SOLVED] Contact Force Homework Statement a.Two blocks are in contact on a frictionless table. A horizontal force F Is applied to M2. The force's magnitude is 4 N. [The diagram shows the force pushing on the left side of M2, which has M1 on its right side.]If M1=1.09 kg, M2=3.02 kg, find the...
  35. A

    What is the Mass of M1 in a Pulley System with Given Parameters?

    Homework Statement M1 and M2 are two masses connected as shown. The pulley is light (massless) and frictionless. Find the mass M1, given that M2 (3.5 kg) accelerates downwards at 3.35 m/s^2, θ is 35o, and μk is 0.25. http://img525.imageshack.us/img525/7076/prob31fricpullplaneyi0.gif...
  36. R

    What Is the Unit Vector in the Block's Momentum After a Kick?

    Hello everyone, new to the forums but I have used the information here for help in the past. Having trouble with a specific part of a problem.1. A 0.65 kg block of ice is sliding by you on a very slippery floor at 2.5 m/s. As it goes by, you give it a kick perpendicular to its path. Your foot...
  37. W

    Pulleys and blocks - find acceleration

    1. A pulley A on the end of a spring balance. On 1 end is a 16kg mass. On the other is pulley B. On one end of pulley B is a mass of 4kg. On the other end is pulley C. On one end of pulley C is a 1kg mass. On the other end is a 7/3kg mass. All pulleys are massless and frictionless. Find accn. of...
  38. C

    How Does Friction Affect the Motion of Three Blocks?

    You are given that the coefficient of kinetic friction between the block and the table in the figure is 0.560, and m1 = 0.150 kg and m2 = 0.250 kg. (a) What should m3 be if the system is to move with a constant speed? this is what i have: T2 - T1 - f = m3a m2g - m1g - ukg = m3 2.45 - 9.65 -...
  39. C

    Elastic Collision of two blocks

    Homework Statement Block A of mass, mA = 2.0 kg, is moving on a frictionless surface with a velocity of 5.0 m/s to the right and another block B of mass, mB = 8.0 kg, is moving with a velocity of 3.0 m/s to the left, as shown in the diagram below. The two block eventually collide. a. If...
  40. H

    Which Block Hits First, Block 1 or Block 2?

    A tale of two blocks. "HELP!" Homework Statement The system shown below consists of two identical blocks of mass M connected by a massless, flexible string of length 2L. The string passes through a massless pulley which is fixed to the corner of the supporting table. The string and the...
  41. J

    How Does a Pulley System Affect Block Motion and Tension?

    Problem # 2 The pulley shown in the figure below, which is mounted in horizontal frictionless bearings, has a radius of 5.00 cm. One block has mass M = 500 g and the other has mass m = 460 g. When released from rest, the more massive block falls 75 cm in 5.00 s (without the cord slipping on...
  42. T

    Rotational Motion of blocks and string

    Two blocks, m1= 1kg and m2 = 2kg, are connected by a light string as shown in the figure (the figure is just shows a pulley with 2 blocks on each sides). If the radius of the pulley is 1m and its moment of inertia is 5kg*m^2, the acceleration of the system in g is: I have no idea how to do...
  43. K

    Conceptual problem about two blocks released from a compressed string

    Homework Statement Two blocks, A and B, are connected by a compressed string. The mass of bock A is twice that of block B. Immediately after release, compare the net force on block A to the net force on block B. The table is frictionless and the mass of the spring is zero. 1)There is no...
  44. C

    Tension and force of connected blocks

    Hi, this is my first post, so please tell me if I'm doing anything incorrectly...thanks. Homework Statement Three blocks are connected, as shown in Fig. 5-47, on a horizontal frictionless table and pulled to the right with a force T3 = 64.9 N. Assume that m1 = 12.1 kg, m2 = 24.5 kg, and m3...
  45. J

    Blocks with light springs (q31)

    Blocks with light springs (q31) Hi, I have not idea how to do the following problem(all attempts failed): http://tinyurl.com/28lahv Can somebody help?
  46. S

    Forces acting on two blocks stacked one on another

    Homework Statement I'll describe this without the numbers, values and such. The issue here is to understand the logic worked on this problem...well any problem is like that. Anyhow, this is the situation: A block of mass m1 is stacked on the surface of another block of mass m2 of width L...
  47. S

    How Is the Center of Mass Calculated for Two Point-Like Blocks?

    Homework Statement Consider a system of two blocks that have masses m_1 and m_2. Assume that the blocks are point-like particles and are located along the x-axis at the coordinates x_1 and x_2. In this problem, the blocks can only move along the x axis. Find the x coordinate of the center of...
  48. D

    Rotational Motion of two blocks

    Two identical blocks, each of mass M, are connected by a light string over a frictionless pulley of radius R and rotational inertia I. One block is on a horizontal plane, one is dangling at the end of the string. The string does not slip on the pulley, and it is not known whether or not there...
  49. I

    Forces Exerted by 1kg, 2kg, and 3kg Blocks

    Homework Statement Blocks with masses of 1 kg, 2 kg, and 3 kg are lined up in a row on a frictionless table. All three are pushed forward by a 12 N force applied to the 1 kg block. How much force does the 2 kg block exert on the 3 kg block? How much force does the 2 kg block exert on the...
  50. G

    Calculate Acceleration of 2.0kg Block w/ Pulleys & Blocks

    Homework Statement What is the acceleration of the 2.0 kg block across the frictionless table http://s167.photobucket.com/albums/u143/grapz720/?action=view&current=phy.jpg Homework Equations I know the acceleration is positive for one block and negative for the other. F= ma , also...
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