A simple pendulum (a mass swinging at the end of a string) swings back and forth in a circular arc. What is the direction of the acceleration of the mass when it is at the ends of the swing? At the midpoint? In each case, explain how you obtained your answer.

A simple pendulum (a mass swinging at the end of a string) swings back and forth in a circular arc. What is the direction of the acceleration of the mass when it is at the ends of the swing? At the midpoint? In each case, explain how you obtained your answer.

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Question

A simple pendulum (a mass swinging at the end of a string)
swings back and forth in a circular arc. What is the direction of the acceleration
of the mass when it is at the ends of the swing? At the midpoint?
In each case, explain how you obtained your answer.

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