Acceleration and Forces – Rankers Physics
Topic: Laws of Motion
Subtopic: Linear Momentum and Second Law of Motion

Acceleration and Forces


Assertion (A): If a body has no acceleration, then there are no forces acting on it.
Reason (R): If a single force acts on a body, then the body will move in the direction of force.
 
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:

Assertion (A) is false; zero acceleration implies zero \(\text{net}\) force, not zero individual forces. Reason (R) is false; a single force causes \(text{acceleration}\) in its direction, not necessarily motion in that direction if initial velocity is present.

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