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


13.
An impulse is equal to:
A.
Change in momentum
B.
Change in velocity
C.
Change in energy
D.
Change in mass
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ANSWER :
A. Change in momentum
14.
The SI unit of impulse is:
A.
Joule
B.
Newton
C.
Newton-second
D.
kg·m/s²
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ANSWER :
C. Newton-second
15.
A cricket player lowers his hands while catching a ball to:
A.
Reduce force
B.
Increase force
C.
Stop motion
D.
Increase speed
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ANSWER :
A. Reduce force
16.
Newton’s Third Law states:
A.
Force is mass times acceleration
B.
Every action has an equal and opposite reaction
C.
Momentum is conserved
D.
Force is inversely proportional to mass
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ANSWER :
B. Every action has an equal and opposite reaction
17.
When a gun is fired, the bullet moves forward, and the gun recoils backward. This is an example of:
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
18.
A rocket moves forward due to:
A.
Conservation of Mass
B.
Newton’s First Law
C.
Newton’s Third Law
D.
Conservation of Energy
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ANSWER :
C. Newton’s Third Law