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3 answers
62 views

Kinetic or static friction? Are both involved?

3 votes
1 answer
423 views

The problem of the perfectly horizontal string

2 votes
1 answer
301 views

How to calculate generalized force $Q_\phi$ with d'Alembert's principle?

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13 views

Intuition behind Gor'kov potential and acoustic radiation force

3 votes
1 answer
421 views

Overturning torque on a car navigating a curve

3 votes
2 answers
250 views

Are there any relativistic corrections to electrostatic attraction between two charges moving close to the speed of light?

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2 answers
343 views

Sail propulsion (or wing lift) by wind deflection (without Bernoulli principle)?

1 vote
1 answer
373 views

Hydrostatic force on movable hemispherical piston

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2 answers
676 views

Why isn't a pseudo-force considered for a block on an accelerating block?

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3 answers
272 views

Why do we extend the line of action of a force to meet with another force to have a resultant even if it is outside the body we are concerned with?

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1 answer
121 views

Was Cavendish in his calculation of $G$ wrong as per my reason?

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2 answers
124 views

Why is it assumed that the object deployed on a moving belt gains its velocity?

1 vote
1 answer
251 views

Normal force on a particle residing on a cone apex

3 votes
0 answers
35 views

Cell membrane tension as an entropic force

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