Time Left:
600
sec
1. Newton’s Third Law of Motion states that:
A. Every action has a smaller reaction
B. Every action has an equal and opposite reaction
C. Force and reaction act in the same direction
D. No reaction occurs without friction
2. The action and reaction forces act:
A. On the same body
B. On different bodies
C. In the same direction
D. With different magnitudes
3. When a gun is fired, the backward movement of the gun is called:
A. Friction
B. Inertia
C. Recoil
D. Resistance
4. In the recoil of a gun, the bullet moves forward and the gun moves backward because:
A. Action and reaction act on the same body
B. Action and reaction are unequal
C. Action and reaction are equal and opposite
D. Gravity acts differently on both
5. When you walk, you push the ground backward.The ground:
A. Pushes you backward
B. Pushes you forward
C. Does not exert any force
D. Pulls you downward
6. In the game of football, two players colliding feel hurt because:
A. Only one applies force
B. Each exerts equal and opposite force on the other
C. Both move in the same direction
D. Friction reduces the force
7. When a sailor jumps out of a boat, the boat moves backward due to:
A. Inertia
B. Gravity
C. Action and reaction forces
D. Balanced forces
8. The example of two spring balances attached to each other shows that:
A. Both show different readings
B. Both show same readings due to equal and opposite forces
C. The lower one shows more force
D. Only one balance works
9. The reaction to a ball hitting a wall is:
A. Wall pushing the ball back
B. Wall breaking
C. Wall absorbing the force
D. Frictional force
10. When a person swims forward, the water:
A. Pushes him backward
B. Pushes him forward
C. Does not apply force
D. Increases friction
11. Even though action and reaction are equal, accelerations are unequal because:
A. Masses of objects are different
B. Forces act in opposite directions
C. Velocities are same
D. Friction is absent
12. When a hammer strikes a nail, the nail:
A. Does not apply any force
B. Applies an equal and opposite force on the hammer
C. Applies a smaller force
D. Moves because of gravity
13. A rocket moves upward because:
A. It is light in weight
B. It pushes gases downward, and gases push it upward
C. Air pushes it upward
D. There is no gravity in space
14. In a tug of war, both teams pull the rope with equal force, yet the rope moves toward one side because:
A. Forces are unbalanced due to frictional differences
B. Both teams apply same friction
C. Reaction does not occur
D. Air pressure helps one side
15. When a person throws a heavy bag forward while standing on a cart, the cart moves backward because:
A. Air pushes it
B. The reaction force acts backward on the cart
C. The cart is heavy
D. The bag is light
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