Physics Rotational & Circular Motion NUMS 2022
PMDC Verified Question 69 of 95
When an object experiences circular motion, the directional of centripetal acceleration is:
A
Toward center
B
Along tangent
C
Along the direction of motion
D
Opposite the direction of motion
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option A: Toward center
Concept:

Acceleration describes how velocity is changing. In a circle, velocity's direction is constantly being bent inward.

Solution:

  • The prefix 'centripetal' comes from Latin 'centrum' (center) and 'petere' (to seek).
  • Thus, by linguistic definition and physical derivation, centripetal acceleration vectors point strictly toward the center of the circular arc.


Why other options are incorrect:

  • Option B and Option C describe tangential velocity or tangential acceleration, not centripetal.
  • Option D describes linear deceleration (braking).

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

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