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A body of mass 2 kg initially at rest mo...

A body of mass 2 kg initially at rest moves under the action of an applied horizontal force of 7N on a table with coefficient of kinetic friction `= 0.1`. Compute the
Work done by friction in 10s.

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`-247 J` Work done by the net force on a body equals change in its kinetic energy.
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NCERT TELUGU-WORK, ENERGY AND POWER-EXERCISES
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  2. A body of mass 2 kg initially at rest moves under the action of an app...

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  3. A body of mass 2 kg initially at rest moves under the action of an app...

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  4. A body of mass 2 kg initially at rest moves under the action of an app...

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  5. A body of mass 2 kg initially at rest moves under the action of an app...

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  6. Given in Fig. 6.11 are examples of some potential energy functions in ...

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  7. Answer the following : Comets move around the sun in highly elliptic...

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  8. Answer the following : An artificial satellite orbitting the earth i...

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  9. Answer the following : In Fig.6.13. (i) the man walks 2m carrying a ...

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  10. Underline the correct alternative : When a conservative force does p...

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  11. Underline the correct alternative : Work done by a body against fric...

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  12. Underline the correct alternative : The rate of change of total mome...

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  13. Underline the correct alternative : In an inelastic collision of two...

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  14. Answer carefully, with reasons : What are the answers to (a) and (b)...

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  15. Answer carefully, with reasons : If the potential energy of two bill...

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  16. A body is initially at rest. It undergoes one-dimensional motion with ...

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  17. A body is moving unidirectionally under the influence of a source of c...

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  18. A body constrained to move along the z-axis of a coordinate system is ...

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  19. An electron and a proton are detected in a cosmic ray experiment, the ...

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  20. A rain drop of radius 2mm falls from a height of 500 m above the groun...

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