Physics Vectors & Equilibrium PMDC Conceptual Practice
PMDC Verified Question 36 of 50
A vector (such as the velocity of a body undergoing uniform translational motion) that can be displaced parallel to itself without altering its effect is known as a:
A
Unit vector
B
Position vector
C
Free vector
D
Null vector
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: Free vector
Concept:
Categorization of vectors based on localization.

Solution:
A free vector is a vector whose point of application is not restricted to a specific point in space. It can be translated parallel to itself to any location without changing its physical meaning or mathematical representation (such as velocity or displacement).

Why other options are incorrect:
  • Unit vector is defined strictly by having a magnitude of one.
  • Position vector is tied to a specific point relative to a chosen coordinate origin.
  • Null vector has a magnitude of zero and no direction.

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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