Physics Force & Motion NUMS 2023
PMDC Verified Question 53 of 137
The product of force and time is equal to:
A
Angular momentum
B
Force
C
Change in momentum
D
Velocity
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: Change in momentum
Concept:

This addresses the fundamental impulse-momentum theorem derived from Newton's second law.

Formula:

$$ F\Delta t = \Delta p $$

Solution:

  • Force multiplied by the time interval over which it acts is defined as Impulse.


  • Impulse strictly results in an equivalent change in linear momentum.


Why other options are incorrect:

Velocity change requires division by mass. Angular momentum involves rotation. Force alone is just the rate of momentum change.

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