A ball of mass m and radius ris placed next to a step of height ½ r. F m 0.5r Reference: Ref 12-1 What is the force F needed to just lift the ball off the floor? Selected Answer: C. 1.73 mg

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Chapter6: Uniform Circular Motion And Gravitation
Section: Chapter Questions
Problem 33PE: (a) Calculate Earth's mass given the acceleration due to gravity at the North Pole is 9.830 m/s2 and...
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answer is correct, need to see work please

A ball of mass m and radius ris placed next to a step of height ½ r.
F
m
0.5r
Reference: Ref 12-1
What is the force F needed to just lift the ball off the floor?
Selected Answer:
C.
1.73 mg
Transcribed Image Text:A ball of mass m and radius ris placed next to a step of height ½ r. F m 0.5r Reference: Ref 12-1 What is the force F needed to just lift the ball off the floor? Selected Answer: C. 1.73 mg
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