# Questions tagged [torque]

The tendency of a force to rotate an object about an arbitrary axis.

887 questions
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### Force required for Angular Accleration

Suppose I have 4' x 4' piece of wood. Its mass is 150kg evenly distributed. I drill a hole right at a corner and place rod through the hole to create a rotational axis. I apply a tangental force at ...
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### Does mass affect how likely an object is to topple over?

I was at work recently pulling around some pallets when I had a thought. I wanted to know if the mass of the pallet had any influence on how likely it is for the pallet to topple over when going ...
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### Why is it easier to put one's arm on table for lifting a box?

Why is it easier to put your elbow on the table to lift a box compared to just lifting it, hand in the air? Is it like some kind of torque or fulcrum and lever?
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### Proof of the Law of the Lever

Is there an accepted proof of the Law of the Lever? I know of several attempted proofs, such as Archimedes's, but these either are incomplete or do not transfer to the setting of Newton's Laws. (It ...
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### How to calculate torque for a linear slide pulley?

I have a linear slide pulley system like in the picture (the string on the right will be attached to a spool, which is attached to a motor) and I'm trying to determine the right motor to buy to power ...
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### What do we mean, concretely, by the unit $\rm N\:m$ (newton $\cdot$ meter)? [duplicate]

What do we mean, concretely, by the unit $\rm N\:m$ (newton $\cdot$ meter)? For example, $1 \:\rm m/s$ mean that each second, we make one meter. Also, $1\:\rm m/s^2$ mean that each second the speed ...
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### Direction of Torque and Sign Convention

I am already aware of the right hand rule to determine the direction of torque. I am a bit confused however regarding the sign convention used during this process. If the torque is into the plane, ...
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### when braking a car, why do the brakes heat up?

My understanding is that if the car isn't slipping, that static friction at the point of contact between the tyre and the car is what decelerates the car, counteracting the torque which is being ...
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### Does a Helix shaped object floating in water stream rotate?

A Helix shaped light weight object is placed a water stream. Does it rotate? It is pushed by water body, will it also experience turning force and thus rotate?
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### Tipping angle of a box [duplicate]

how do you calculate the tipping angle of a box? That is the maximum angle a which a box can reach before tipping over. help, please!