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CBSE - Force
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Practice Question
Force
.
Force
Find the time taken by a body of mass 16 kg to come to rest from a uniform velocity of magnitude 10 m/s, when a force of 4N is applied continuously
(1) 20 s
(2) 30 s
(3) 40 s
(4) 50 s
Correct Answer: 3
.
Related Questions
Force
1
Newton's second law of motion-
(1) defines force
(2) defines inertia
(3) gives measure of force
(4) none of these
Correct Answer: 3
2
If a moving ball A collides with another moving ball B, then
(1) momentum of A = momentum of B
(2) (momentum A + momentum of B) before collision = (momentum A + momentum of B) after collision
(3) neither A nor B
(4) A or B both are possible
Correct Answer: 2
3
What force can change the velocity of a body of mass 1kg from 20 m/s to 30m/s in two seconds?
(1) 10 N
(2) 15 N
(3) 5 N
(4) 25 N
Correct Answer: 3
4
Newton's second law of motion is -
(1) qualitative
(2) quantitative
(3) both qualitative and quantitative
(4) neither qualitative nor quantitative
Correct Answer: 2
5
When a bus starts suddenly the passengers standing on it, lean backwards in the bus. This is an example of -
(1) Newton's first law
(2) Newton's second law
(3) Newton's third law
(4) none of Newton's law
Correct Answer: 1
