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A block of mass m=2kg is resting on a ro...

A block of mass m=2kg is resting on a rough inclined plane of inclination plane of inclination `30^(@)` as shown in figure. The coefficient of friction between the block and the plane is `mu=0.5`. What minimum force F should be applied perpendicular to the plane on the block, so that blocks does not slip on the plane? `(g=10m//s^(2))`

A

zero

B

`6.24` N

C

`2.68` N

D

`4.34` N

Text Solution

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The correct Answer is:
C
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ALLEN-NEWTON'S LAWS OF MOTION & FRICTION-EXERCISE (O-1)
  1. Block B of mass 100 kg rests on a rough surface of friction coeffcient...

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  2. A block of mass 3kg is at rest on a rough inclined plan as shown in th...

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  3. A block of mass m=2kg is resting on a rough inclined plane of inclinat...

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  4. In the figure shown if friction coefficient of block 1kg and 2kg with ...

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  5. A block is pushed with some velocity up a rough inclined plane. It sto...

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  6. A system is pushed by a force F as shown in figure All surfaces are sm...

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  7. Refer the system shown in the figure. Block is siding down the wedge. ...

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  8. A block of mass 1 kg is held at rest against a rough vertical surface ...

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  9. A block is kept on a rough horizontal surface as shown. Its mass is 2 ...

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  10. The mass in the figure can slide on a frictionless surface. When the m...

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  11. A carpenter of mass 50 kg is standing on a weighing machine placed in ...

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  12. In the system in the figure m(1)gtm(2) system is held at rest by threa...

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  13. A uniform rope of mass (m) and length (L) placed on frictionless horiz...

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  14. A uniform rope of mass (m) and length (L) placed on frictionless horiz...

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  15. A uniform rope of mass (m) and length (L) placed on frictionless horiz...

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  16. A uniform rope of mass (m) and length (L) placed on frictionless horiz...

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  17. The figure shown blocks A and B are mass 2 kg and 8 kg and they are co...

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  18. The figure shown blocks A and B are mass 2 kg and 8 kg and they are co...

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  19. The figure shown blocks A and B are mass 2 kg and 8 kg and they are co...

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  20. The blocks are on frictionless inclined ramp and connected by a massle...

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