Question 1.
A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is
A. Greater than the weight of the man
B. Less than the weight of the man
C. Same as the weight of the man
D. Zero
Ans: A. Greater than the weight of the man
Question 2.
When a body falls from an aeroplane, there is increase in its
A. Kinetic energy
B. Mass
C. Acceleration
D. Potential energy
Ans: C. Acceleration
Question 3.
Gravitational force is maximum at which place
A. Poles
B. Tropic of cancer
C. Tropic of capricorn
D. Equator
Ans: A. Poles
Question 4.
Who defined the law of gravitation ?
A. Newton
B. Archimedes
C. Galileo
D. Faraday
Ans: A. Newton
Question 5.
Which of the following never occurs singly in nature?
A. Inertia
B. Momentum
C. Force
D. Velocity
Ans: C. Force
Question 6.
A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that
A. The rubber ball suffers greater change in momentum
B. The metal ball suffers greater change in momentum
C. Both suffer the same change in momentum
D. The initial momentum of the rubber ball is greater than that of the metal ball
Ans: A. The rubber ball suffers greater change in momentum
Question 7.
It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement?
A. Law of inertia
B. Newton’s second law
C. Newton’s third law
D. Pascal’s law
Ans: C. Newton’s third law
Question 8.
The moment of inertia of a body does not depend upon
A. The mass of the body
B. The mass distribution in the body
C. The angular speed of the body
D. The axis of rotation of the body
Ans: C. The angular speed of the body
Question 9.
A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls
A. Behind him
B. In front of him
C. Into his hand
D. By his side
Ans: A. Behind him
Question 10.
In the Earth, the weight of a body is maximum at the
A. North Pole
B. South Pole
C. Equator
D. Surface
Ans: D. Surface
Question 11.
Newton’s first law of motion gives the concept of
A. Energy
B. Work
C. Momentum
D. Inertia
Ans: D. Inertia
Question 12.
Rate of change of momentum is
A. Area
B. Pressure
C. Force
D. Velocity
Ans: C. Force
Question 13.
A person is hurt on kicking a stone due to
A. Inertia
B. Velocity
C. Reaction
D. Momentum
Ans: C. Reaction
Question 14.
For every action, there is an equal and opposite reaction, is Newton’s
A. First law
B. Second law
C. Third law
D. Fourth law
Ans: C. Third law
Question 15.
Which law is also called law of inertia ?
A. Newton first law
B. Newton second law
C. Newton third law
D. All of above
Ans: A. Newton first law
Physics GK MCQs all set
- Physics MCQs Set-1
- Physics MCQs Set-2
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