A simple pendulum is set into oscillation Then 1 The acceleration is zero when the bo...........

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A simple pendulum is set into oscillation Then

1) The acceleration is zero when the bob passes through the mean position.

2) In each cycle the bob attains a given velocity twice.

3) Both acceleration and velocity of the bob are zero when it reaches its extreme position during the oscillation.

4) The amplitude of oscillation of the simple pendulum decrease with time.

Which of the statements given above is/are correct?

1 and 2

3 and 4

1, 2 and 4

2, 3 and 4

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Explanation:

A pendulum is a weight suspended from a pivot so that it can swing freely. When a pendulum is displaced sideways from its resting, equilibrium position, it is subject to a restoring force due to gravity that will accelerate it back toward the equilibrium position. When released, the restoring force combined with the pendulum's mass causes it to oscillate about the equilibrium position, swinging back and forth.