Question

A body executes simple harmonic motion. The potential energy $\left(PE\right)$, the kinetic energy $\left(KE\right)$ and total energy $\left(TE\right)$ are measured as a function of displacement $\left(x\right)$. Which of the following statements is true?

• A. $PE$ is maximum when $x=0$
• B. $KE$ is maximum when $x=0$
• C. $TE$ is zero when $x=0$
• D. $KE$ is maximum when $x$ is maximum

Answer 1

The correct option is B $KE$ is maximum when $x=0$

At mean position,
$PE$ is minimum, $KE$ is maximum and $TE$ remains constant.
Hence, option (b) is correct.