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A simple pendulum oscillates freely betw...

A simple pendulum oscillates freely between points A and B.
We now put a peg (nail) at some point C as shown. As the pendulum moves from A to the right, the string will bend at C and the pendulum will go to its extreme points D. Ignoring friction, the point D

A

will lie on the line AB

B

will lie above the line AB

C

will lie below the line AB

D

will coincide with B

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A
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