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An object of mass 2 kg is thrown downwar...

An object of mass 2 kg is thrown downwards. What is the work done by he gravity during the vertical displacement of object through 3 m?

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TARGET PUBLICATION-WORK AND ENERGY-EXERCISE
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  2. A man drops a 20 kg object from the top of a 10m high building . What ...

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  4. Solve the following examples: If the energy of a ball falling from a ...

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  10. Solve the following examples: If a 1200 W electric iron is used daily...

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  13. Megha applied a force of 50 N to move a stool from one comer of a 10 m...

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  14. A car moving with velocity 54 km/hr has kinetic energy 1500 J. Find it...

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  15. The energy required to move a body of mass 10 kg from the ground to 5 ...

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