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LAKHMIR SINGH & MANJIT KAUR-FORCE AND LAWS OF MOTION-Exercise
- Do action and reaction act on the same body or different bodies ? How ...
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- If a man jumps out from a boat, the boat moves backwards. Why?
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- Why is it difficult to walk on a slippery road?
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- Explain why , a runner presses the ground with his feet before he star...
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- A 60 g bullet fired from a 5 kg gun leaves with a speed of 500 m/s. Fi...
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- A 10 g bullet travelling at 200 m/s strikes and remains embedded in a ...
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- A body of mass 2 kg is at rest. What should be the magnitude of force ...
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- A body of mass 5 kg is moving with a velocity of 10 m/s. A force is ap...
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- A car of mass 2400 kg moving with a velocity of 20 m s^(-1) is stopped...
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- For how long should a force of 100 N act on a body of mass 20kg so tha...
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- How long will it take a force of 10 N to stop a mass of 2.5 kg which i...
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- The velocity of a body of mass 10 kg increases from 4 m/s to 8 m/s whe...
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- A gun of mass 3 kg fires a bullet of mass 30 g. The bullet takes 0.003...
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- Draw a diagram to show how a rocket engine provides a force to move th...
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- Name the laws involved in the following situations: (a) the sum of p...
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- (a)State and explain Newton's second law of motion. (b) A 1000 kg ve...
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- (a) Explain why, a cricket player moves his hands backwards while catc...
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- (a) State Newton's third law of motion and give two examples to illust...
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- (a) State the law of conservation of momentum. (b) Discuss the conse...
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- (a) If a balloon filled with air and its mouth untied, is released wit...
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