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A block of mass 5kg is lying on a rough ...

A block of mass 5kg is lying on a rough horizontal surface. The coefficient of static and kinetic friction are 0.3 and 0.1 and g=`10 ms^(-2)` The frictional force on the block is

A

25 N

B

5 N

C

10 N

D

Zero

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The correct Answer is:
B
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AAKASH SERIES-LAWS OF MOTION-PRACTICE EXERCISE
  1. A block of mass 20kg is placed on a rough horizontal plane and a horiz...

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  2. If the coefficient of friction is sqrt3, the angle of friction is

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  3. A block of mass 5kg is lying on a rough horizontal surface. The coeffi...

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  4. The co-efficient of static & kinetic friction are 0.6 & 0.3 The minimu...

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  5. A 4 kg mass is resting on a horizontal surface. For this surface mus =...

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  6. A smooth wedge of mass M is pushed with an acceleration a=gtantheta an...

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  7. Two bodies having the same mass 2kg each have different surface areas ...

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  8. A man slides down on a telegraphic pole with an acceleration equal to ...

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  9. Determine the maximum acceleration of the train I which a box lying on...

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  10. A body of mass 10kg is under the action of 138N on the horizontal surf...

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  11. Two blocks of masses m and 3m on a horizontal surface are in contact w...

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  12. A horizontal force of 150N produces an acceleration of 2m/s2 in a body...

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  13. A block of mass 10kg pushed by a horizontal force F on a horizontal ro...

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  14. A man of mass 60 kg sitting on ice pushes a block of mass of 12kg on i...

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  15. Starting from rest a wooden block moves with a velocity of 25ms^(-1) a...

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  16. A vehicle of mass m is moving on a rough horizontal road with kinetic ...

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  17. A block of mass 2kg lying on ice when given a velocity of 6ms^(-1) is ...

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  18. A block of weight 200N is pulled along a rough horizontal surface at c...

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  19. A weight W rests an on rough horizontal plane. If the angle of frictio...

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  20. A heavy uniform chain lies on horizontal table top. If the co-efficien...

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