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LAKHMIR SINGH & MANJIT KAUR-FORCE AND LAWS OF MOTION-Exercise
- 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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- The rockets work on the principle of conservation of :
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- An object of mass 2kg is sliding with a constant velocity of 4ms^(-1) ...
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- The physical quantity which makes it easier to accelerate a small car ...
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- According to the third law of motion , action and reaction
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- The unit of measuring momentum of a moving body is :
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- A boy of mass 50 kg standing on ground exerts a force of 500 N on the ...
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- A Honda city car, a Maruti Alto car, a Tata Nano car and a Mahindra Sc...
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- The acceleration produced by a force of 5 N acting on a mass of 20 kg ...
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- Which of the following situations involves the Newton's second law of...
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- To catch a fast cricket ball, a player pulls his hands backwards. Why ...
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- Why are car seat-belts designed to stretch somewhat in a collision ?
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