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MBD-LAWS OF MOTION-EXAMPLE
- Prove that if no external force is acting on a body. Its momentum will...
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- If two ends of a spring balance are pulled each by a force of 10 kg. w...
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- Action and reaction forces do not balance each other. Why?
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- A meteorite burns in the atmosphere before it reaches the earth's surf...
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- What is impulsive force?
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- When a ball is thrown upwards, its momentum first decreases and then i...
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- Explain why:- a horse cannot pull a cart and run in empty space.
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- Why does a gun recoil when a bullet is fired from the gun ? Explain.
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- On what factors inertia of a body depends?
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- Why does an athlete run before taking a high jump ?
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- We slip easily on a rainy day because coefficient of friction
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- Why a person sitting inside a vehicle is thrown outwards, when vechile...
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- How do you account for function of mudguards in vehicles?
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- What is friction?
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- What is the unit of coefficient of limiting friction?
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- Define angle of friction.
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- Why are tyres made circular?
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- Can we get off a frictionless horizontal surface by jumping?
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- Explain how friction helps in walking.
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- It is difficult to move a cycle along a road with its brakes on. Why?
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