question_answer

A brick of mass m, tied to a rope, is being whirled in a vertical circle, with a uniform speed. The tension in the rope is

A)  the same throughout

B)  largest when the brick is at the highest point of the circular path and smallest when it is at the lowest point

C)  largest when the rope is horizontal and smallest when it is vertical

D)  largest when the brick is at the lowest point and smallest when it is at the highest point