Question

The free end of a simple pendulum is attached to the ceiling of a box. The box is taken to a height and the pendulum is oscillated. When the bob is at its lowest point, the box is released to fall freely. As seen from the box during this period, the bob will:

• A. continue its oscillation as before
• B. stop
• C. will go in a circular path
• D. move on a straight line.

Answer 1

Answer: (C)

will go in a circular path

According to the question,

The acceleration due to the gravity acting on the bob of pendulum

due to free falls gives a torque to the pendulum, the bob goes in a circular path.