Force and Inertia, Newton’s First Law of Motion; Momentum, Newton’s Second Law of Motion, Impulses; Newton’s Third Law of Motion NEET Questions

Physics - Laws of Motion

Force and Inertia, Newton’s First Law of Motion; Momentum, Newton’s Second Law of Motion, Impulses; Newton’s Third Law of Motion MCQ Questions


1.
Newton’s First Law is also known as:
A.
Law of Acceleration
B.
Law of Action
C.
Law of Inertia
D.
Law of Energy Conservation
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ANSWER :
C. Law of Inertia
2.
A body continues in its state of rest or uniform motion unless acted upon by an external force. This is called _________
A.
Newton’s First Law
B.
Newton’s Second Law
C.
Newton’s Third Law
D.
Law of Gravitation
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ANSWER :
A. Newton’s First Law
3.
The tendency of a body to resist a change in its state is called:
A.
Force
B.
Inertia
C.
Momentum
D.
Impulse
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ANSWER :
B. Inertia
4.
A block of mass 10 kg is moving on a horizontal surface with a uniform velocity of 2 m/s. The force required to keep the block moving with the same velocity is:

NEET - 2020

A.
0 N
B.
10 N
C.
20 N
D.
50 N
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ANSWER :
A. 0 N
5.
The SI unit of force is:
A.
Newton
B.
Joule
C.
Dyne
D.
Pascal
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ANSWER :
A. Newton
6.
Two stones of masses m and 2m are whirled in horizontal circles, the heavier one in a radius r/2 and the lighter one in radius r. The tangential speed of the lighter stone is n times that of the heavier stone when they experience the same centripetal forces. The value of n is:

NEET - 2015

A.
4
B.
1
C.
2
D.
3
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ANSWER :
C. 2