# Questions tagged [torque]

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

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### The nature of torque as a vector

I can’t comprehend torque’s role properly: 1: What is torque’s nature? Is it some kind of energy? Because its unit is (n.m) and (n.m) is similar to (joules) and it’s energy unit. 2: As we all know “...
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### Wheel size for climbing up on inclined surface

I am going to make a Line follower robot which can climb up on a inclined bridge(45 degree with flat surface). If speed remains constant, Should I use bigger wheel to enable the robot to climb easily? ...
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### Torque on a quarter-wave plate… Where is the force? Where is the moment arm?

If you shine circularly polarized light (carrying angular momentum) through a quarter-wave plate, the light will emerge as linearly polarized light (carrying no angular momentum) from the other side. ...
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### Transverse speed of hamster in wheel as function of theta

i need help with conceptual understanding of how this system works. A small animal is running in a wheel with radius R, (and 0 mass). When the animal is at an angle $\theta = \alpha$ measured from ...
125 views

### Torque required by a motor: using a counterweight to reduce?

I have a motor and gearbox that is rated for a certain amount of torque in newton meters. Its primary load $M_1$ is connected by a rigid rod (assumed massless) length $L_1$. So I reckon the (max) ...
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### Direction of torque in this situation [closed]

Suppose a body is rotating with uniform speed i.e. dv/dt=0(all the drags and frictions are zero) then what will be the direction of torque or will it actually exist?since the only force is acting ...
111 views

### How to relate spin speed and time in which a gyroscope falls beyond some angle?

Usually physics books calculate the precession rate of a gyroscope when its momentum wheel is spinning "fast enough." I am looking for an equation to calculate the wheel speed whereat a gyroscope "...