Class 9 Physics MCQs - Chapter 1
Dynamics Trivia Questions & Answers PDF Download - 4
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Dynamics Test Questions and Answers PDF Download: MCQ 4
Mass of a body (m) into acceleration (a) is equal to
- inertia
- displacement
- momentum
- force
Cream separator acts on the same principle of
- centrifuge machine
- pendulum
- floatation
- screw gauge
The property of a body due to which it resists any change in its state of rest or motion is termed as
- force
- inertia
- momentum
- velocity
The force of friction between a rolling body and a surface over which it rolls is called
- sliding friction
- rolling friction
- limiting friction
- vertical friction
How much centripetal force is needed to make a body of mass 0.8 kg to move in a circle of radius 40 cm with a speed 2 ms−1?
- 5 N
- 6 N
- 7 N
- 8 N
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