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A
Matching the double rod pendulum
Jan 12, 2017
Replies
9
Views
3K
Closed trajectories for Kepler with spin-orbit corrections?
Jan 12, 2017
Replies
2
Views
2K
Moment of Inertia: Proving Mass, Side & Axis | 1/12 md²
Jan 12, 2017
Replies
3
Views
2K
Orbital vs. Angular Speed: What's the Difference in Circular Motion?
Jan 11, 2017
Replies
7
Views
5K
Conservation of momentum query
Jan 11, 2017
Replies
1
Views
814
Understanding Circular Motion in a Cone: Solving for Radius and Normal Force
Jan 11, 2017
Replies
9
Views
5K
How Does a Pendulum on a Rotating Arm Behave When the Arm Stops?
Jan 11, 2017
Replies
1
Views
1K
Linearly-damped rotational motion
Jan 10, 2017
Replies
13
Views
2K
Has anyone worked with electrets?
Jan 10, 2017
Replies
2
Views
1K
Velocity in eliptical trajectories
Jan 10, 2017
Replies
1
Views
1K
Two very basic questions about momentum in space
Jan 9, 2017
Replies
7
Views
2K
Calculation of friction stresses between 2 materials
Jan 9, 2017
Replies
1
Views
1K
Inertia (and, to some extent, circular motion again)
Jan 8, 2017
2
Replies
56
Views
5K
Calculate the power produced by a wheel
Jan 8, 2017
Replies
3
Views
1K
What Causes the Sound of Water Unfilling From a Bottle?
Jan 8, 2017
Replies
6
Views
1K
Some questions about Noise and Power spectral Density
Jan 7, 2017
Replies
5
Views
1K
How Horsepower is equal to 550 ft lb/s ?
Jan 6, 2017
Replies
1
Views
3K
Sound underwater distance and decibels
Jan 5, 2017
Replies
2
Views
1K
Irrotational/Rotational Flows and Velocity Potentials
Jan 5, 2017
Replies
1
Views
1K
Understanding Rigid Column Theory in Fluid Mechanics
Jan 5, 2017
Replies
5
Views
4K
Formula to calculate amount of force needed to lift/hover
Jan 4, 2017
Replies
7
Views
6K
What happens with counter rotating gyroscopes?
Jan 4, 2017
Replies
2
Views
4K
How to find torque of rotational friction on an axle?
Jan 4, 2017
Replies
5
Views
4K
Is Acceleration/Decceleration smooth?
Jan 3, 2017
Replies
6
Views
2K
Centrifugal force in Rendezvous with Rama
Jan 3, 2017
Replies
5
Views
3K
What is Tension on each part of the rope?
Jan 1, 2017
Replies
6
Views
6K
How to calculate the perpendicular tension?
Jan 1, 2017
Replies
8
Views
4K
Equation Needed for Calculating Fluid Pressure In a Pipe
Jan 1, 2017
Replies
1
Views
1K
Having real problems with working out scales for graphs
Jan 1, 2017
Replies
6
Views
3K
AC generators and Transformers
Dec 31, 2016
Replies
7
Views
2K
Surface Tension and force required to pull a thin ring
Dec 31, 2016
Replies
4
Views
4K
Does Conservation of Momentum Apply to an Object Moving on a Rigid Surface?
Dec 31, 2016
Replies
26
Views
3K
Uses of Lift Force for Plane Surfaces
Dec 31, 2016
Replies
23
Views
2K
Confusion with Potential Energy and Work
Dec 30, 2016
Replies
4
Views
1K
Sizing fan static pressure to open a cover
Dec 30, 2016
Replies
8
Views
2K
What is the length described in surface tension?
Dec 29, 2016
Replies
2
Views
1K
On the relativity of time and speed
Dec 29, 2016
Replies
4
Views
1K
Confusion about work done by friction as negative or positive
Dec 29, 2016
Replies
5
Views
2K
Information Conservation in Logic Gates and Computer Components
Dec 28, 2016
Replies
5
Views
1K
Optimizing Projectile Range: The Physics of Mass and Launch Velocity
Dec 28, 2016
Replies
6
Views
2K
Conservative force for an elastic force?
Dec 28, 2016
Replies
5
Views
5K
Sliding on an object on an inclined plane
Dec 28, 2016
Replies
10
Views
2K
Curved Tube For Constant Pressure Increase?
Dec 28, 2016
Replies
6
Views
2K
Potential difference in an alternator
Dec 28, 2016
Replies
5
Views
2K
Why Does Mode Conversion Occur at an Oblique Angle?
Dec 28, 2016
Replies
1
Views
1K
Lagrangian and Slonczewski-like torque
Dec 27, 2016
Replies
1
Views
1K
Friction in a hemispherical bowl
Dec 27, 2016
Replies
5
Views
3K
Conservation of energy across the universe
Dec 27, 2016
Replies
1
Views
1K
Is the normal force just kinetic energy?
Dec 26, 2016
Replies
33
Views
4K
Calculating Power with Solar Cells: Series vs. Parallel
Dec 26, 2016
Replies
6
Views
1K
Do Electrons Travel from the Positive to the Negative Terminal in a Battery?
Dec 26, 2016
Replies
11
Views
3K
Moment of Inertia: Rules & Usage Guide
Dec 25, 2016
Replies
3
Views
1K
How does linear velocity of a spinning object affect its rebound
Dec 24, 2016
Replies
2
Views
2K
How is Angular Momentum conserved in orbits?
Dec 24, 2016
Replies
23
Views
4K
How would one calculate pressure increase in cooker
Dec 24, 2016
Replies
11
Views
4K
Where does the sense of weight come from?
Dec 24, 2016
Replies
24
Views
4K
How to know if all the strings have the same tension or not
Dec 24, 2016
Replies
5
Views
1K
Pressure Gradients along an angle pipe
Dec 23, 2016
Replies
6
Views
2K
How Does Increased Surface Tension Affect Liquid Surface Area and Volume?
Dec 23, 2016
Replies
2
Views
1K
How can you identify the type of gun by the sound it makes?
Dec 23, 2016
Replies
9
Views
4K
Angular momentum for these strange nonplanar gears?
Dec 23, 2016
Replies
1
Views
1K
Exploring Gravitational Field Lines: A Classical Perspective
Dec 22, 2016
Replies
2
Views
2K
Anti-hydrogen molecular spectra?
Dec 22, 2016
Replies
7
Views
1K
How would a person under water see sunset and sunrise?
Dec 22, 2016
Replies
5
Views
4K
What is the Relationship Between Inertia and Moment of Inertia?
Dec 22, 2016
Replies
3
Views
2K
Is Kinetic Energy Really Constant in Constant Velocity Motion?
Dec 21, 2016
Replies
2
Views
1K
Measuring changes in barometric pressure without a barometer
Dec 21, 2016
Replies
21
Views
4K
Penetration of falling object into sediment (after water)
Dec 21, 2016
Replies
8
Views
2K
Slipping vs No Slipping Ball Race
Dec 20, 2016
Replies
13
Views
4K
How Does Splitting a Mass in Midair Affect the Center of Mass's Trajectory?
Dec 19, 2016
Replies
5
Views
2K
Work: Isolated & Non-Isolated Systems Difference
Dec 18, 2016
Replies
6
Views
6K
Why removing and replacing remote battery makes it work?
Dec 18, 2016
Replies
13
Views
3K
Two discs connected by a stiff spring
Dec 17, 2016
Replies
2
Views
1K
Answering Sound Wave Questions
Dec 17, 2016
Replies
6
Views
2K
Bernoulli's Princple vs Flow Equation (deltaP=QR)
Dec 17, 2016
Replies
5
Views
4K
Can someone explain elastic band physics
Dec 17, 2016
Replies
3
Views
1K
Centripetal Force - same thing as gravitational force?
Dec 17, 2016
Replies
10
Views
3K
Shouldb constant acceleration when simulating magnus effect?
Dec 15, 2016
Replies
3
Views
1K
Problem with 2 cars on almost masless spining platform
Dec 15, 2016
Replies
33
Views
3K
Total angular momentum is the sum of angular momentum of CM and that about CM
Dec 15, 2016
Replies
7
Views
2K
Blowing between two objects -- Why is the pressure low?
Dec 15, 2016
3
Replies
76
Views
11K
Does rotational motion affect the translational motion?
Dec 15, 2016
Replies
3
Views
2K
How can a ball rise higher than originally dropped?
Dec 14, 2016
Replies
5
Views
2K
Classical mechanics formulations?
Dec 14, 2016
Replies
1
Views
1K
Is the trajectory parabolic or elliptical?
Dec 14, 2016
Replies
2
Views
1K
Spring Displacement in Moving Part: Constant Pressure?
Dec 14, 2016
Replies
8
Views
1K
Jumping straight up while skateboarding downhill
Dec 14, 2016
Replies
26
Views
5K
What (if anything) is sound made of?
Dec 14, 2016
Replies
4
Views
1K
Rotational Vectors not merely a bookkeeping device?
Dec 14, 2016
Replies
30
Views
3K
Force Analysis of a compressed spring
Dec 13, 2016
Replies
5
Views
2K
Direction of friction on a rolling body
Dec 13, 2016
Replies
2
Views
1K
Question about torque (I think) and a gymnastic exercise
Dec 13, 2016
Replies
1
Views
3K
Hardware that can produce sound waves with frequencs 0-200hz
Dec 13, 2016
Replies
4
Views
2K
Rigid body with center of rotation other than CoM
Dec 13, 2016
Replies
15
Views
3K
Exploring Power Needed to Lift Mass
Dec 13, 2016
Replies
25
Views
8K
Why is there a set speed of sound in a certain medium?
Dec 12, 2016
Replies
7
Views
2K
How can the end of a rod accelerate faster than g?
Dec 12, 2016
Replies
7
Views
1K
Is there a true upward force on a rotating object?
Dec 11, 2016
Replies
8
Views
2K
How does a Triple Beam Balance work?
Dec 11, 2016
Replies
2
Views
3K
Pressure distribution on an air mattress
Dec 11, 2016
Replies
1
Views
2K
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