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JBD PUBLICATION-LAWS OF MOTION-EXAMPLE
- Why do we prefer a heavy hammer to drive a nail into wood?
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- Action and reaction forces do not balance each other. Why?
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- What is the principle of working of a rocket?
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- What is the measure of inertia of a body?
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- A meteorite burns in the atmosphere before it reaches the earth's surf...
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- What is the relation beteen coefficient fo friction and angle of frict...
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- What is the relation between coefficient of friction and angle of repo...
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- What are the methods of reducing friction?/
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- The angle of friction betwen two surfaces is 30^@ ,what is coefficien...
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- What type of friction is involved when axle rotates in a wheel?
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- Arrange mus, muk and mur in descending order.
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- We slip easily on a rainy day because coefficient of friction
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- Why are ruber tyres preffered to iron tyres?
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- Why are aeroplanes given conical shape?
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- Define coefficient of friction.
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- Can force of friction on a body be zero even if it is placed on a roug...
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- At what place on earth, the centirpetal force is maximum?
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- Write an expression for the centripetal force.
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- Write an expression for the centripetal acceleration.
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- What is the acceleration of a train travelling at 40 m s^-1 as it goes...
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