For a body executing | SIMPLE HARMONIC MOTION| JEE-Main 2021

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JEE MAIN 2021

31-08-2021 S1

Question

For a body executing S.H.M. :
(a) Potential energy is always equal to its K.E.
(b) Average potential and kinetic energy over any given time interval are always equal.
(c) Sum of the kinetic and potential energy at any point of time is constant.
(d) Average K.E. in one time period is equal to average potential energy in one time period.
Choose the most appropriate option from the options given below :

Select the correct option:

A

(c) and (d)

B

only (c)

C

(b) and (c)

D

only (b)

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

In S.H.M. total mechanical energy remains constant and also == $\frac{1}{4} K A^2$ (for 1 time period)

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