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CHHAYA PUBLICATION-WORK AND ENERGY-SECTION RELATED QUESTIONS
- Name the units of work in CGS and in SI. Define each unit.
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- Work out the relationship between erg end joule.
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- Define 'power'
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- What is meant by the statement -Power of an engine is 10 hp ?
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- What are the units of power in CGS system and in SI ?
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- Define horsepower , or, what is meant by horsepower ?
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- Establish the relationship between horsepower and watt .
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- Define watt.
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- What is meant by 'transformation of energy ?
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- What is meant by the law of conservation of energy ?
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- What is mechanical energy ?
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- Write about the different forms fo mechanical energy .
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- What is kinetic energy ?
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- Find the expression for the kinetic energy of an object of mass m, mov...
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- Show that the work done by a varible force is equal to the change in ...
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- Can a body have negative value of potential energy and kinetic energy ...
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- What is elastic potential energy ?
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- The work done by any conservation force is reversible -explain.
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- The work done by any non-conservative force is not reversible-explain.
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- What do you mean by the efficiency of a machine ?
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