A ball of radius r and mass m is hung using a light string of length L from a frictionless vertical wall. The normal force on the ball due to the wall is
A) mgr/L
D) mgL/r
E) None of these is correct.

Name: A ball of radius r and mass m is hung using a light string of length L from a frictionless vertical wall. The normal force on the ball due to the wall is A) mgr/L D) mgL/r E) None of these is correct.
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Question

A ball of radius r and mass m is hung using a light string of length L from a frictionless vertical wall. The normal force on the ball due to the wall is 
A) mgr/L 
D) mgL/r 
E) None of these is correct.

Quizplus · Accepted Answer

The Answer is B

A Ball of Radius R and Mass M Is Hung