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SL ARORA-Work, Energy and power-EXERCISE
- Give the expression for work done if angle between force oversetrighta...
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- Define the term work and derive its SI unit. Write an expression for t...
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- How do we calculate work done by a force ? Write any two conditions un...
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- What is the amount of work done by a weight-lifter in holding a weight...
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- What is the amount of work done by a weight-lifter in holding a locomo...
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- Derive an expression for the potential energy of an elastic stretched ...
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- Define power. Prove that P=oversetrightarrowF.oversetrightarrowv wher...
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- By what factor the velocity of a body should be increased so that its ...
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- Two bodies A and B weighing 5 kg and 6 kg respectively have equal mome...
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- Define kinetic energy. Give its units and dimensional formula.
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- Define potential energy. Give its units and dimensional formula.
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- Draw the variation of potential energy and kinetic energy of a block a...
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- State and prove the principle of conservation of mechanical energy.
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- What is meant by mass energy equivalence ? Discuss its significance in...
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- In an inelastic collision
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- Show that in case of one dimensional elastic collision of two bodies, ...
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- What is meant by positive work, negative work and zero work ? Illustra...
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- WORK DONE BY A VARIABLE FORCE
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- What are conservative and non-conservative forces, explain with exampl...
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- Define kinetic energy. Derive an expression for the kinetic energy of ...
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