A) displacement, velocity and acceleration all act in the same direction
B) displacement and velocity act in the same direction but acceleration in the opposite direction
C) velocity and acceleration are parallel and both are perpendicular to the displacement
D) displacement and acceleration are antiparallel and both perpendicular to the velocity
Correct Answer: B
Solution :
For SHM\[\alpha =-{{\omega }^{2}}y,\]where\[\alpha \]is acceleration, co is angular velocity, y is displacement. Hence, it is clear that acceleration is directly proportional to displacement and is always opposite to displacement.
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