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SL ARORA-Laws of Motion-Exercise
- How many newtons make one kg wt. ?
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- Define impulse. Give its SI unit.
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- What is difference between mN and nm ?
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- From which Newton's laws of motion, the definition of force comes ?
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- Give and state the SI unit of force.
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- What is friction ?
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- What is the unit of coefficient of limiting friction ?
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- What happens to coefficient of friction, when weight of body is double...
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- What is the need of banking a circular road ?
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- How does banking of roadsreduce wear and tear of the tyres ?
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- Three forcesstart acting simultaneously on a particle moving with a ve...
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- Action and reaction forces do not balance each other Why ?
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- Action and reaction are equal and opposite. Why cannot they cancel eac...
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- If the net external force acting on a body is zero, then the body at r...
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- A tennis ball of mass 'in' strikes the massive wall with vel V and tra...
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- What is the maximum velocity with which a vehicle can negotiate a turn...
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- Athlete runs a certain distance before long jump. Name the law that ex...
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- Two objects of masses 2 kg and 4 kg are having the same magnitude of m...
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- Position time graph of a body of mass 1kg is shown in the figure.Calc...
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- Define momentum. Is it a scalar or vector quantity ? Give its units an...
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