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PRADEEP-WORK AND ENERGY-Very short Answer Question
- How is work done by a force meaured ?
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- When is work done by a force positive ?
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- When is work done by a force negative ?
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- When is work done by a force zero ?
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- Is work a scalar quantity or a vector quantity ?
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- Is a person doing any work by holding a suitcase ?
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- what are the units of work and energy ?
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- Is energy a vector quantity ?
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- Name two forms of mechanical energy.
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- By now much will the kinetic energy of a body increase if its speed is...
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- A body is thrown vertically upwards ? Its velocity goes on decreasing...
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- Flowing water can rotate a turbine. What type of energy is used up by ...
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- What type of energy is possessed by a cricket ball just before being c...
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- Explain by a an example that a body may possess energy when it is not ...
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- How is energy stored in a clock ?
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- Give an example where potential energy is acquired by a body due to ch...
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- Name the type of energy possessed by a reised hammer.
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- Name the type of energy possessed by a stretched rabber band.
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- A cell converts one form of energy into another. Name the two forms.
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- Name the device which converts electrical energy into mechanical energ...
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