Question

a fan rotating at constant speed has ________ velocity

Answer 1

What is torque?

Torque is a measure of how much a force acting on an object causes that object to rotate. The object rotates about an axis, which we will call the pivot point, and will label 'O'. We will call the force 'F'. The distance from the pivot point to the point where the force acts is called the moment arm, and is denoted by 'r'. Note that this distance, 'r', is also a vector, and points from the axis of rotation to the point where the force acts. Take a look at the figure below.

Torque is defined as follows

So r x F gives us the Torque. Essentially a cross product between the distance vector (the distance from the pivot point to the point where force is applied) and the force vector, 'a' being the angle between r and F.

The following animation gives you a nicer perception.

I hope you are understand my solution

Answer 2

Answer:

Hii please give the options.

Explanation:

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