An Object of Mass M Is Attached to String of Length

question 25

Multiple Choice

An object of mass m is attached to string of length L.When it is released from point A,the object oscillates between points A and B.Which statement about the system consisting of the pendulum and the Earth is correct?

• A)The gravitational potential energy of the system is greatest at A and B.
• B)The kinetic energy of mass m is greatest at point O.
• C)The greatest rate of change of momentum occurs at A and B.
• D)All of the above are correct.
• E)Only (a)and (b)above are correct.

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