Assertion and Reason on Action-Reaction Pairs – Rankers Physics
Topic: Laws of Motion
Subtopic: Third Law of Motion

Assertion and Reason on Action-Reaction Pairs

Assertion (A): A block is hanging from spring. Spring force on block and gravitational force on block are not action and reaction pair.
Reason (R): Action and reaction force acts in opposite direction.
 
Both (A) & (R) are true and the (R) is the correct explanation of the (A)
Both (A) & (R) are true but the (R) is not the correct explanation of the (A)
(A) is true but (R) is false
Both (A) and (R) are false

Solution:

Action and reaction pairs act on different bodies. Both spring force and gravitational force act on the same block, so they are not an action-reaction pair. Both A and R are true statements, but R does not correctly explain A.

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