Linear Momentum ( Law of Conservation of Linear Momentum and its Applications) NEET Questions

Physics - Laws of Motion

Linear Momentum ( Law of Conservation of Linear Momentum and its Applications) MCQ Questions


7.
A gun recoils when fired due to:
A.
Newton’s First Law
B.
Newton’s Second Law
C.
Newton’s Third Law
D.
Conservation of Energy
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ANSWER :
C. Newton’s Third Law
8.
Two skaters push off each other. Their total momentum after separation is:
A.
Zero
B.
Equal to initial momentum
C.
Doubled
D.
Decreased
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ANSWER :
B. Equal to initial momentum
9.
A person steps out of a stationary boat, and the boat moves backward. This is due to:
A.
Friction
B.
Newton’s First Law
C.
Conservation of linear momentum
D.
Work-energy theorem
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ANSWER :
C. Conservation of linear momentum
10.

A body of mass 6 kg is moving from its initial position A to the next position B. From A to B, the value of momentum of the body is (in SI unit):

NEET - 2019

A.

24

B.

12

C.

8

D.

6

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ANSWER :

C. 8

11.
If the mass of an object is doubled while keeping velocity constant, its momentum:
A.
Remains the same
B.
Doubles
C.
Halves
D.
Becomes zero
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ANSWER :
B. Doubles
12.
The unit of impulse is the same as that of:
A.
Work
B.
Power
C.
Momentum
D.
Force
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ANSWER :
C. Momentum