Mechanics and Properties of Matter Quiz TNPSC Group 1, 2, 2a, 4, VAO - 1

Question: 1

The force between a satellite and the earth which acts as a centripetal force keeping the satellite in orbit is

(A) Gravitational force

(B) Cohesive force

(C) Adhesive force

(D) Molecular force

Ans: A

Gravitational force

Question: 2

A bullet shot from a rifle is an example of

(A) Law of conservation of energy

(B) Einstein mass energy equation

(C) Newton’s second law

(D) Projectile

Ans: D

Projectile

Question: 3

The relation between time of ascent and time of descent in the case of bodies moving under gravity is

(A) Time of ascent is more than the time of descent.

(B) Time of ascent is less than the time of descent.

(C) Time of ascent and time of descent will never be equal.

(D) Time of ascent is equal to the time of descent.

Ans: D

Time of ascent is equal to the time of descent.

Question: 4

The unit of angular velocity its

(A) cms-1

(B) rad s-2

(C) m s-1

(D) rad s-1

Ans: D

rad s-1

Question: 5

The time period of Jupiter is

(A) 5 years

(B) 12 years

(C) 11.862 years

(D) 30 years

Ans: C

11.862 years

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