Physics Vectors & Equilibrium PMDC Conceptual Practice
PMDC Verified Question 19 of 50
Which of the following pairs contains exactly one vector quantity and one scalar quantity?
A
Displacement, Acceleration
B
Force, Kinetic Energy
C
Power, Speed
D
Momentum, Velocity
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Force, Kinetic Energy
Concept:
Identifying vectors and scalars within physical quantity pairings.

Solution:
Let's analyze each pair:
  • Force is a vector quantity (magnitude and direction), whereas Kinetic Energy is a scalar quantity (only magnitude). This satisfies the requirement of exactly one vector and one scalar.


Why other options are incorrect:
  • A: Displacement and acceleration are both vectors.
  • C: Power and speed are both scalars.
  • D: Momentum and velocity are both vectors.

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