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PRADEEP-WORK, ENERGY AND POWER-Very Short Anwer Question.
- Does the sun do any work on earth, when earth revoves around the sun i...
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- Does K.E. depend upon the direction of motion involved ? Can it be ne...
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- Name the largest and smallest practical unit of energy.
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- Is work done by a non conservative force always negative ? Comment.
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- Does potential energy of a spring decrease // increase when it is comp...
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- When an air bubble rises in water, what happens to its potential energ...
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- Name the process in which momentum changes but KE does not.
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- A shot fired from a cannon explodes in air. What will be the changes i...
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- The momentum of an object is doubled. How does its K.E. change?
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- Can P.E. of an object be negative?
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- Does the work done in moving a body depend on how fast or how slow the...
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- A spring is cut into two equal halves. How is the spring constant of e...
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- Is it possible exert a force which does work on a body without changin...
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- In case of a moving body as force of friction is mumg, can we regard m...
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- A ball of mass m moving with vel. V strikes head on elastically with a...
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- Is it possible to have a collision in which the whole of KE is lost?
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- If two objects collide and one is initially at rest (a) is it possible...
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- In which, elastic or inelastic collision, the momentum is conserved ? ...
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- Which physical quantities are conserved in an elastic collision?
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- Which physical quantity is conserved in both, elastic and inelastic co...
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