Question

The relation between acceleration and displacement of four particles are given below

Which one of the particles is executing simple harmonic motion?

• A. ax = +2x
• B. ax = +2x2
• C. ax = –2x2
• D. ax = –2x

Answer 1

Answer: (D)

ax = –2x

Answer 2

For SHM, $a_{x} \propto ( - x)$