NEET Physics Simple Harmonic Motion Assertion Reason Question
Assertion (A): A block attached to a spring on a frictionless surface executes simple harmonic motion when displaced from its equilibrium position.
Reason (R): The force acting on the block is directly proportional to its displacement and acts in the opposite direction.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
Correct Answer
Detailed Explanation
The assertion and reason both describe simple harmonic motion. The force law F = -kx directly explains why the block executes SHM when displaced.
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