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Question 1 of 12
1. Question
1 point(s)A bullet of mass 30g is fired from a gun of mass 2.5kg. The speed of the bullet was 50ms⁻¹ when it was coming out from the gun. Find the speed of the gun recoils.
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Question 2 of 12
2. Question
1 point(s)If the net force acting on a moving object is zero, the object will
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Question 3 of 12
3. Question
1 point(s)
The diagram above shows a wooden block moving at 5ms⁻¹ on a rough surface. If the magnitude of the friction is 10N. What will happen to the wooden block if it is pulled by a 5N force?
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Question 4 of 12
4. Question
1 point(s)
The diagram shows a man pushing a box. The box is then moving at a constant velocity of 3ms⁻¹. Which of the following statement is true regarding the situation?
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Question 5 of 12
5. Question
1 point(s)Which of the following properties of a solid object cannot be changed by a force?
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Question 6 of 12
6. Question
1 point(s)A box of mass 20kg is placed on a smooth horizontal surface. Find the acceleration of the box when a 120N force is acting on the box horizontally.
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Question 7 of 12
7. Question
1 point(s)A net force of 30 N causes a block to accelerate at the rate of 6 m/s². Determine the mass of the block.
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Question 8 of 12
8. Question
1 point(s)A box of mass 5 kg moved with constant velocity when it was acted by a force of 15 N. Find the magnitude of the friction exert on the box.
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Question 9 of 12
9. Question
1 point(s)The impulse exerts on an object can be increased by
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Question 10 of 12
10. Question
1 point(s)A 5N force is applied to an object for 10s. The object accelerates from 2ms⁻¹ to 5 ms⁻¹. Find the impulse exerts on the object.
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Question 11 of 12
11. Question
1 point(s)A car of mass 1500kg was traveling at 50 m/s before it collided with a tree and stopped. If the time of collision was 0.05 seconds, find the impulsive force acted on the car during the accident.
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Question 12 of 12
12. Question
1 point(s)A billiard ball of mass 0.1 kg is stationary on a smooth billiard table. An impulse of 3.0 Ns is given to the ball horizontally. What is the velocity of the ball after the impact?
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