Problem: Which of the following is a true statement about the acceleration a→of the pendulum bob?A. a→ is equal to the acceleration due to gravity.B. a→ is equal to the instantaneous rate of change in velocity.C.a→ is perpendicular to the bob's trajectory.D. a→is tangent to the bob's trajectory.

FREE Expert Solution

The acceleration is maximum at positions 1 and 3 when the displacement is maximum. At position 2, the acceleration is zero because the pendulum is in the equilibrium position (there is no net force acting on it). 

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Problem Details

Which of the following is a true statement about the acceleration aof the pendulum bob?

A. a is equal to the acceleration due to gravity.

B. a is equal to the instantaneous rate of change in velocity.

C.a is perpendicular to the bob's trajectory.

D. ais tangent to the bob's trajectory.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Simple Harmonic Motion of Pendulums concept. You can view video lessons to learn Simple Harmonic Motion of Pendulums. Or if you need more Simple Harmonic Motion of Pendulums practice, you can also practice Simple Harmonic Motion of Pendulums practice problems.