Mechanics Forum

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Why sound produced by rapids varies in pitch based on height
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2K
Why not use the product rule to expand Newton's 2nd law?
2
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40
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6K
Instantaneous centre of rotation
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3
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Is centripetal force greater than centrifugal force?
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2
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3K
EMI potential difference question
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8
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2K
How to apply Newton's laws to non-rigid bodies?
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6
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3K
Angular momentum conserved for central forces not at origin?
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3
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What equilibrium distance to use for E of a vertical spring
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5
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Pressure should decrease in zero gravity?
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7
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2K
Kinematics: Understanding Trajectory Equations
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10
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Calculating Acceleration Limit Near 10 Solar Mass Object
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16
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Why does a falling object experience constant acceleration due to gravity?
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3
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1K
Does speed increase ionizing power
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3
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1K
Fluid mechanics : Two dimensional converging flow
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3
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2K
Find Well Depth from Time Taken to Hear Stone Hit Bottom
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8
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2K
Pressure from a fluid on a solid piece of metal
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2
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1K
Trajectories never cross in phase-space
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3
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4K
Pressure Causes: Weight vs Molecules Motion
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7
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How does pendulum go slack above the horizontal?
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22
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Friction and turning angle relation
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6
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Derivation of angle of repose - Friction
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12
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11K
Determining the period of a pendulum with an accelerometer
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2
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1K
Confusion about centripetal force
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3
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2K
Chemical potential at equlibrium
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3
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1K
Sliding without friction pedagogy
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2
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1K
Cooling and its effect on particle speed
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8
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2K
How much power required to generate a particular pressure
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6
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2K
Can you me understand free body diagrams
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2
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2K
G force and rate of deceleration
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4
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What does gravitational potential mean ?
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8
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On what area is the pressure of the gas acting?
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1
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973
Would it be correct to think of force, work and power as....?
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4
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960
Why are Trebuchets better than Torsion Catapults?
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12
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How Does Stickiness Influence Static Friction?
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8
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2K
Isolation transformer: Potential difference to the earth
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4
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2K
What Resources Help Build Mechanical Devices for Vacuum Evaporation?
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1
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How does a whip break speed of sound?
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9
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6K
Movement caused by Centripetal Force
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6
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2K
Radial flow between two circular discs (fluid mechanics)
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13
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3K
Torque Calculation without a gauge
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5
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1K
Can a force generate rotation with moment arm=0 ?
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8
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2K
Stokes Number for Particle Motion?
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1
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2K
Vehicle speed calculation from pedestrian throw distance
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6
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7K
Applicability of potential flow theory (fluid dynamics)
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3
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2K
Physics behind shooting a basketball.
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4
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2K
What do we know about the formula for air drag force?
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4
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2K
Does Potential Energy Depend on Reference Point or Force Nature?
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9
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3K
Conservative forces and conservation of mechanical energy
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11
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2K
Lagrangian at a rolling sphere
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1
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1K
Forced vibration on mass between two pull springs
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6
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2K
How much could heaviest flying animal weight?
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14
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4K
Where does kinetic energy go in inelastic collision?
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12
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8K
Bernoullis & Pressure Gradient force
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3
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2K
Bathtub Vortex Pressure difference
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3
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2K
Large Amplitude Pendulum Equation
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11
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6K
Is Torque the Same as Moment of a Force? A Confusing Semantic Issue
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9
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3K
Conservation of Angular Momentum
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4
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1K
Water wicking up porous media and air humidity ?
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3
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1K
Unsteady Pipe-Flow Momentum Balance: Solving for Volumetric Time Rate of Change
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3
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2K
Lifting a car of 1500 Kg through air compressor
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3
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1K
Do We Include Signs in Conservation of Momentum Equations?
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6
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2K
How Is Acceleration Calculated for Space Travel Via Cannon?
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17
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2K
Why does Planck's BB emissive power increase with n?
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9
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2K
Conservation of Momentum with Friction?
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2
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5K
Confusion about Newton's laws, sum of forces equals zero
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4
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6K
To stop a moving object -- Momentum or Kinetic Energy
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5
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1K
Generalized version of work-energy theorem
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24
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Bernoulli Equation and Navier-Stokes
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18
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5K
Does Temperature Affect the Work Function in Photoelectric Cells?
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3
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2K
Pitot Tubes and Static Pressure
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1
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2K
Angular Momentum of colliding balls
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2
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2K
How much force (N) would it take to rotate this object?
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12
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4K
How Do You Calculate Bank Angle to Counteract Centrifugal Force in Turns?
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3
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2K
What are the problems with a path dependent potentials?
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3
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1K
Variation in pressure in a rotating tube?
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1
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2K
Can Adding Alternators to Car Wheels Save Energy?
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10
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2K
Quantum mechanics -- explanation of exothermic reactions
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4
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2K
Is it possible for two waves travelling at different speeds
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7
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1K
What defines an isolated system and the role of external forces in momentum?
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2
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How to calculate air volume of a fan using pressure?
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2
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2K
Reaction Force, Centripetal Force
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14
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Particle collisions - a question on angles relative to beam
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6
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1K
Energy release from 75c drop in water temp, 1L?
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6
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1K
Calculate pressure on surface moving in water
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17
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2K
Calculating Height of a Free-Falling Body Over Time
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16
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2K
Does the apparent length of an object change in water?
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13
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3K
Different forms of Bernoulli's equation
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2
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3K
Does 1 mole of all gas exert equal pressure
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8
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15K
Conductor thought experiment: Speed of E field
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9
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What Axis is Used When Calculating Torque?
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9
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1K
Conceptual Force of Gravity Acceleration 2 vs 3 objects
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4
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1K
Pressure at the closed end of a pipe with a leak?
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1
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1K
Is the Proof Behind Choosing Any Point on an Axis to Calculate Torque?
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1
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946
What is the effect of centripetal force on velocity?
2
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64
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6K
Physics of the mountain car problem
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5
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No Potential Energy due to Sphere of Mass?
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16
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1K
What cause the pizza dough go to circular motion
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19
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2K
Variational calculus or fluid dynamics for fluid rotating in a cup
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5
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1K
Centripetal Force, Friction, Loop de Loop, and Normal Forces
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5
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4K
Direction of acceleration, vector quantity
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6
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1K

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