An extended object consists of two point masses, m1 and m2, connected via a rigi

Question

An extended object consists of two point masses, m1 and m2, connected via a rigid massless rod of length L. The object is rotating at a constant angular velocity about an axis perpendicular to the page through the midpoint of the rod. Two time- varying tangential forces, F1 and F2, are applied to m1 and m2, respectively. After the forces have been applied, what will happen to the angular velocity of the object?

A- It will remain unchanged.

B- It will decrease.

C- It will increase.

D- Not enough information to make a determination.

Explanation / Answer

As the force increases, hence the torque acting also increases. Hence the rotational speed too increases. Thus by the application of the varying forces, the angular velocity of the object increases. Hence ( C) is te correct option.

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