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The friction force acting on the block a...

The friction force acting on the block at time `t = 4 s` will be

A

`50 N`

B

`30 N`

C

`25 N`

D

None

Text Solution

Verified by Experts

The correct Answer is:
D
At `t = 4 s`
`F = 10 xx 4 = 40 N`
`40 N lt 50 N` , the block will not move
Friction `f = 40 N`
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CP SINGH-FRICTION-Exercises
  1. A particle is projected up a 37^(@) rough incline with velocity v(0). ...

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  2. As shown in the figure , the friction force acting on the block is

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  3. The friction force acting on the block at time t = 4 s will be

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  4. A block of mass 2kg rests on a rough inclined plane making an angle of...

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  5. Consider the situation as shown in the figure. Choose the correct opti...

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  6. A block of mass m lying on a rough horizontal surface of friction coef...

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  7. What is the maximum value of the force F such that the block shown in ...

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  8. Pulling force making an angle theta to the horizontal is applied on a ...

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  9. The acceleration of the block is

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  10. A lift is moving downwards with an acceleration equal to g. A block of...

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  11. A block of mas m begins to slide down on an inclined plane of inclinat...

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  12. A body of mass 10 kg is lying on a rough inclined plane of inclination...

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  13. A block is at rest on an inclined plane making an angle alpha with the...

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  14. A block of 3 kg rests in limiting equilibrium on an inclined plane of ...

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  15. A block rests on a rough inclined plane making an angle of 30^(@) with...

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  16. The force required just to move a body up an inclined plane is double ...

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  17. A 10 kg block is initially at rest on a rough horizontal surface. A ho...

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  18. Two blocks A and B , each of mass 10 kg , are connected by a light str...

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  19. A uniform rope of length L meters is lying over a table. If the coeffi...

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  20. A uniform metal chain is placed on a rough table such that the one end...

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