Use the figure to the right to answer the next problem.
A ball of mass m and radius r is placed next to a step of height ½ r.
-What is the force F needed to just lift the ball off the floor?
A)0.5 mg
B)1.41 mg
C)1.73 mg
D)mg
E)None of these is correct.

Question

Use the figure to the right to answer the next problem.
A ball of mass m and radius r is placed next to a step of height ½ r. 
-What is the force F needed to just lift the ball off the floor?
A)0.5 mg 
B)1.41 mg 
C)1.73 mg 
D)mg 
E)None of these is correct.

Quizplus · Accepted Answer

The Answer is C

Use the Figure to the Right to Answer the Next