Class 9 Physics MCQs - Chapter 1

Dynamics Quiz Questions and Answers PDF - 15

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Dynamics Questions & Answers PDF Download: MCQ Quiz 15

MCQ 71: The resultant of all the forces acting on body is

A) net force

B) normal force

C) perpendicular force

D) equilibrium

MCQ 72: As compare to sliding friction, the rolling friction is

A) lesser

B) greater

C) equal

D) always negative

MCQ 73: If a body is moving in a straight line then net force acting on it is

A) constant

B) increasing

C) decreasing

D) zero

MCQ 74: Centripetal reaction that pulls the string outward is sometimes called the

A) centrifugal force

B) gravitational force

C) dynamic force

D) translatory force

MCQ 75: The weight of a body is 150 N. Its mass will be

A) 10 kg

B) 15 kg

C) 18 kg

D) 20 kg

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