User Dubious

2 votes

4 answers

1k views

What are the proper definitions of moment, couple, torque, 'moment of force'?

asked Aug 23, 2020 at 13:09

2 votes

2 answers

68 views

Where are the forces that have spun the rigid mass on this simple pendulum? [closed]

asked Sep 18, 2020 at 2:18

2 votes

5 answers

443 views

Why does a rolling ball slow down? [duplicate]

asked Aug 29 at 13:17

1 vote

1 answer

48 views

Why isnt the contact force between the rack and wheel 200N?

asked Jun 18 at 13:08

1 vote

4 answers

690 views

If I jump off the ground is the net reaction force doing work on me?

asked Jan 8, 2021 at 14:34

1 vote

1 answer

64 views

Mass being angularly accelerated around in a circle by a string - where is the torque that creates that acceleration?

asked Aug 29, 2020 at 15:32

1 vote

1 answer

770 views

What causes the rotating ball on a string to rotate upwards?

asked Oct 22, 2021 at 15:06

1 vote

1 answer

85 views

Work done by an eccentric force on a rigid body

asked Sep 14, 2022 at 13:11

1 vote

2 answers

183 views

Why don't the angular velocity components add up for a rotation on a tilted plane?

asked Nov 14, 2022 at 13:36

1 vote

1 answer

52 views

During a collision Is it correct that the greater the rigidity of the impacting mass the less elastic the collision?

asked Nov 8, 2023 at 13:40

1 vote

1 answer

49 views

In this driven double pendulum what would be the position of the proximal arm relative to $x$-axis when stopper loses contact with the peripheral arm?

asked Jan 26 at 15:12

0 votes

2 answers

44 views

Do we use the centre of mass position of the rotating object to calculate the centripetal force?

asked Feb 1 at 2:40

0 votes

1 answer

28 views

What creates the vertical component of the angular momentum of the whole spinning wheel and axle?

asked Feb 18 at 12:22

0 votes

1 answer

108 views

Why will a force applied perpendicular to the motion of a point mass not change the magnitude of its velocity?

asked May 9, 2023 at 13:04

0 votes

1 answer

55 views

Where is the centripetal force acting on mass $M$? [closed]

asked Jun 19, 2023 at 2:23

0 votes

0 answers

60 views

What causes the rigid rod pendulum to spin about its centre of mass?

asked Aug 13, 2023 at 4:39

0 votes

4 answers

117 views

Why would a photon of light still strike mirror A at the same point that it left it?

asked Nov 4, 2022 at 14:56

0 votes

1 answer

27 views

Does the Mid-Point Between the Forces Move Up Or Down?

asked May 4, 2022 at 11:15

0 votes

1 answer

115 views

Angular kinetic energy of a planar pendulum - Is the force at the pivot responsible for all change in the angular momentum>

asked Aug 31, 2020 at 0:04

0 votes

2 answers

153 views

Non-conservation of angular momentum example but is an external torque really required?

asked Jan 10, 2021 at 4:11

0 votes

4 answers

76 views

Does a centripetal force cause an impulse?

asked Aug 20 at 18:43

0 votes

1 answer

40 views

How does one prove that the position of COM of a particle system is independent of position of origin of coordinate system? [closed]

asked Aug 23 at 11:48

0 votes

3 answers

55 views

Why is the friction force for a block on an inclined plane regarded as going through the COM?

asked Aug 24 at 20:52

0 votes

0 answers

47 views

Can anyone explain the physics behind this 'Ryke' effect without any complicated mathematics?

asked Sep 2 at 10:16

0 votes

2 answers

129 views

What forces are causing the COM to align with the tail end of force vector?

asked Aug 19, 2020 at 22:08

Stack Exchange Network

25 Questions

What are the proper definitions of moment, couple, torque, 'moment of force'?

Where are the forces that have spun the rigid mass on this simple pendulum? [closed]

Why does a rolling ball slow down? [duplicate]

Why isnt the contact force between the rack and wheel 200N?

If I jump off the ground is the net reaction force doing work on me?

Mass being angularly accelerated around in a circle by a string - where is the torque that creates that acceleration?

What causes the rotating ball on a string to rotate upwards?

Work done by an eccentric force on a rigid body

Why don't the angular velocity components add up for a rotation on a tilted plane?

During a collision Is it correct that the greater the rigidity of the impacting mass the less elastic the collision?

In this driven double pendulum what would be the position of the proximal arm relative to $x$-axis when stopper loses contact with the peripheral arm?

Do we use the centre of mass position of the rotating object to calculate the centripetal force?

What creates the vertical component of the angular momentum of the whole spinning wheel and axle?

Why will a force applied perpendicular to the motion of a point mass not change the magnitude of its velocity?

Where is the centripetal force acting on mass $M$? [closed]

What causes the rigid rod pendulum to spin about its centre of mass?

Why would a photon of light still strike mirror A at the same point that it left it?

Does the Mid-Point Between the Forces Move Up Or Down?

Angular kinetic energy of a planar pendulum - Is the force at the pivot responsible for all change in the angular momentum>

Non-conservation of angular momentum example but is an external torque really required?

Does a centripetal force cause an impulse?

How does one prove that the position of COM of a particle system is independent of position of origin of coordinate system? [closed]

Why is the friction force for a block on an inclined plane regarded as going through the COM?

Can anyone explain the physics behind this 'Ryke' effect without any complicated mathematics?

What forces are causing the COM to align with the tail end of force vector?