Dynamics Multiple Choice Questions Answers ~ Science Physics

Dynamics Multiple Choice Questions Answers

Dynamics Multiple Choice Questions Answers

I. Inertia depends upon

A) Force B) Net Force C) Mass D) Velocity

II Formula of momentum is

A) P=ml B) P=mv C) P=cv D) P=mg

III. A string is stretched by two equal and opposite forces 10 N each. The tension is the string is

A) Zero B) 5N C) 10N D) 20N

IV. The mass of body when accelerated

A) Decreases B) Increases C) Constant D) None

V. Newton’s first law of motion is valid only in the absence of

A) Force B) Net Force C) Friction D) Motion

VI. Co-efficient of friction between tyres and dry road is

A) 1 B) 2 C) 3 D) 4

VII. Newton’s first law is also called

A) Law of inertia B) Law of mass C) Law of momentum D) Hook’s law

VIII. Weight is a quantity

A) Vector B) Scalar C) Base D) Constant