Non-uniform Circular Motion Vectors – Rankers Physics
Topic: Circular Motion
Subtopic: Kinematics of Circular Motion

Non-uniform Circular Motion Vectors

Assertion (A): In non-uniform circular motion, velocity vector and acceleration vector are not perpendicular to each other.
Reason (R): In non-uniform circular motion, particle has normal as well as tangential acceleration.
 
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:

In non-uniform circular motion, there is both tangential and centripetal acceleration. The tangential acceleration is parallel to velocity, so the resultant acceleration is not perpendicular to velocity. Reason (R) correctly identifies the components of acceleration, explaining why (A) is true.

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