Question

Newton’s I law is otherwise known as ----------

1 point

A) mass

B) Inertia

C) both a and b.

d) None of these

A train is moving with acceleration along a straight line with respect to ground. A person in a train finds that.

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A) Newton’s second law is true but Newton’s I law is false

B) Newton’s I law is true but Newton’s II law is false

C) All the three Newton’s law are true

D) All the three Newton’s law are false.

Momentum is related to Newton’s I law.

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A) True.

B) False

. A force in the opposite direction to the motion of an object willcause the object to -----------

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A) Speed up.

B) Speed down.

C) Turn.

D) Crash

. A man drawing a bucket of water falls back when the rope snaps. This is because of

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a. Law of gravitation

b. 1st Law of motion

c. Newton's II Law of motion

d. Newton's III Law of motion

A lift is descending with a constant velocity ′V′, A man in the lift drops a coin experiences an acceleration towards the floor equal to:

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a. g + v

b.g – v

c. g

d. 0

A force of 20 N acting on a body of mass 10 kg is found to double its velocity in 8 s. Find its initial velocity?

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A.6 m s−1

B.16 m s−1

C.8 m s−1

D.10 m s−1

Identify the equivalent of 1N

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A

B

C

D

In a game of tug of wars, a condition of equilibrium exists. Both the teams pull the rope with a force of 104 N. The tension in the rope is :

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A

B

C

D

When a force retards the motion of a body, the work done by the force during retardation is

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A Zero

B Negative

C Positive

D Positive or negative depending upon the magnitude of force

A machine gun fires bullets of 5 gm at the speed of 1000 m/sec. If an average force of 180 N is exerted on the gun, the maximum number of bullets fired per minutes is:

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A. 12

B .24

C. 36

D. 48

​

Answer 1

Explanation:

b.

c.

b.

b.

a.

c.

b.

the next two questions are unclear