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MODERN PUBLICATION-WORK AND ENERGY-EXERCISE
- Does kinetic energy of a body depend on the direction of motion of the...
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- When you are climbing stairs, work done by the weight is positive. (T ...
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- The ratio S.I unit to C.G.S. unit of work is .
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- Can every force do work?
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- When work is done on a body then kinetic energy of the body. (increase...
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- A book falls freely from the table top. Is work done by some force dur...
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- A boy sitting in a moving car possesses kinetic energy.
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- If momentum of a body is doubled, the kinetic energy becomes times.
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- Is energy a scalar or a vector quantity? Why?
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- What are the various forms of energy? Give some examples of each.
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- Define Kinetic energy. Give one example.
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- A boy of mass 18 kg is running with a speed of 12 km/h. Find the kinet...
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- Given that the kinetic energy of an object is 100 J. If the mass of ob...
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- A stationary football is kicked by a player such that it attains a spe...
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- Find the work done in in reasing the speed of car from 18 kmh^-1 to 36...
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- What is the force required to lift a book of mass m? This force is req...
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- What happens to the potential energy if the height of a body is double...
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- Give two example of bodies possessing gravitational P.E.
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- Give two example of bodies possessing elastic P.E.
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- Define potential energy. Derive an expression for it. On what factors ...
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