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1. If the net external force on the body is zero, its
A. Speed is zero
B. Acceleration is zero
C. Displacement is zero
D. Velocity is zero
2. When a bull pulls a cart, the force that helps the bull to move forward is the force exerted by
A. the ground on the bull
B. the cart on the bull
C. the bull on the ground
D. the ground on the cart
3. Dust can be removed out of a blanket using
A. Law of inertia
B. Newton's second law of motion
C. Newton's third law of motion
D. Newton's law of gravitation
4. Which law governs the phenomenon that a tablecloth is pulled out from under a setting of chinaware without damaging it?
A. Newton’s first law
B. Universal law of gravitation
C. Newton’s second law
D. Newton’s third law
5. Two masses are in the ratio 1:5. What is ratio of their inertia?
A. 1 : 5
B. 5 : 1
C. 1 : 25
D. 25 : 1
6. We slip on a rainy day due to
A. Change in momentum
B. Inertia
C. Decrease in friction
D. Increase in friction
7. Which law is in control of a spacecraft that cruises through space at a constant speed without using any fuel?
A. Universal law of gravitation
B. Newton’s third law
C. Newton’s second law
D. Newton’s first law
8. Passengers in a bus lean forward as bus suddenly stops. This is due to
A. Impulse
B. Change in speed
C. Inertia
D. Change in momentum
9. Who asserted that the natural state of body is the state of rest
A. Newton
B. Galileo
C. Einstein
D. Aristotle
10. How is inertia used when riding a bicycle?
A. Bicycles don't use inertia.
B. You can stop paddling and still continue rolling forward.
C. You must paddle harder when going up hill.
D. You must paddle slower when going up hill.
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