A) \[f/2\]
B) \[2f\]
C) \[3f\]
D) \[4f\]
Correct Answer: B
Solution :
Key Idea: At extreme positions, kinetic energy of pendulum is zero and at mean position it is maximum.
When a body oscillates in simple harmonic motion it is acted upon by a restoring force which tends to bring it in equilibrium position, Due to this force there is potential energy in the body also since body is in motion it has kinetic energy. Since, in each complete oscillation of a body kinetic energy of oscillations vary from zero to maximum and maximum to zero two times and since frequency is defined as number of vibrations completed in one second, hence frequency of kinetic energy is\[2f\].
You need to login to perform this action.
You will be redirected in
3 sec
