GENERAL PHYSICS I EXAM 2 QUESTIONS WITH CORRECT DETAILED ANSWERS A+ VERIFIED NEWEST VERSION
GENERAL PHYSICS I EXAM 2 QUESTIONS WITH CORRECT DETAILED ANSWERS A+ VERIFIED NEWEST VERSION A person of mass 50 kg rides marry-go-round of radius 2 m sitting close to the edge. Linear velocity of person is 2 m/s. What is the work done on person over one revolution? a. 0 b. 1000 J c. 2000 J d. 6280 J - correct answers-a. 0 Work done by force of gravity a. Is always positive b. Is always negative c. Is always zero d. Can be positive, negative or zero. e. Can be negative or zero. - correct answers-d. Can be positive, negative or zero. Work done by force of friction (or any other dissipative force) a. Is always positive b. Is always negative c. Is always zero d. Can be positive, negative or zero. e. Can be negative or zero. - correct answers-e. Can be negative or zero.
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general physics i exam 2 questions with correct