A particle performs simple harmonic motion along the –axis
PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics
Problem
A particle performs simple harmonic motion along the x–axis. At a certain instant its displacement is x=−2cm. Which statement describes the direction of its acceleration at that instant?
(a) Acceleration is zero
(b) Towards the negative x-direction
(c) Towards the positive x-direction
(d) Direction cannot be determined without knowing velocity