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What are the methods of reducing friction?/

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JBD PUBLICATION-LAWS OF MOTION-EXAMPLE
  1. What is the relation between coefficient of friction and angle of repo...

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  2. Why is limiting friction greater than kinetic friction?

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  3. What are the methods of reducing friction?/

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  4. The angle of friction betwen two surfaces is 30^@ ,what is coefficien...

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  5. Arrange mus, muk and mur in descending order.

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  6. Prove: the impulse: momentum theorem.

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  7. A bullet of mass 0.04 kg moving with a speed of 90 ms^-1 enters a heav...

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  8. A batsman hits back a ball straight in the direction of the bowler wit...

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  9. Three equal weights of mass 2 kg each are hangning os string passing o...

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  10. Two bodies of masses m1 and m2 are connected byh a ight string passing...

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  11. Can a sailing boat be propelled by air blown at the sails from a fan a...

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  12. A fast moving bullet when hits the window pane makes a round hole whil...

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  13. A constant retarding force of 50 N is applied to a body of mass 20 kg ...

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  14. Deduce the relation between torque and moment of inertia.

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  15. A body of mass m moves in a circular path of radius r with a velocity ...

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  16. When walkin on ice,is it better to take short or long steps?Explain.

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  17. What are the methods of reducing friction?/

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  18. A train of 150 metre ton is drawn up a rough inelined plane of 1 in 1...

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  19. A train weghing 1000 quintals is running on a level road ith a uniform...

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  20. A block slides down an inclined plane of slope angle 0 with constant v...

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