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A stone weighing 1 kg and sliding on ice...

A stone weighing 1 kg and sliding on ice with a velocity of 2 m / s is stopped by friction in 10 sec . The force of friction (assuming it to be constant) will be

A

`-20` N

B

`-0.2` N

C

`0.2` N

D

`20N `

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The correct Answer is:
B
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TARGET PUBLICATION-FRICTION IS SOLIDS AND LIQUIDS -MCQ (CRITICAL THINKING)
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  2. The speed of the effux from an open tank is identical to that of ""

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  3. The velocity of efflux of an ideal liquid does not depend on

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  5. A cylindrical tank has a hole of 1cm^(2) in its bottom. If the water i...

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  6. With increase in temperature, friction"."

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  7. The wheels are cirecular in shape because

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  9. A stone weighing 1 kg and sliding on ice with a velocity of 2 m / s is...

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  10. The coefficient of viscosity for hot air is

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  11. A car is moving along a straight horizontal road with a speed v(0) . I...

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  14. A 60 kg body is pushed with just enough force to start it moving acros...

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  15. A ball of radius r and density r falls freely under gravity through a ...

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  16. In the houses far away from the municipal water tanks often water does...

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  19. A cylindrical tank is filled with water to a level of 4 m. A hole is o...

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