Question: A pendulum bob swings through a circular arc defined by positions A and D in Figure 15. 18. (a) At A, B, and C, what

A pendulum bob swings through a circular arc defined by positions A and D in Figure 15. 18.

(a) At A, B, and C, what are the possible directions of the velocity of the bob and of the restoring force exerted on it?

(b) What is the direction of the bob's acceleration at \(\mathrm{A}\) and \(\mathrm{C}\) ?

Data from Figure 15. 18

A BC D

A BC D

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