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The block of mass m is in contact with a...

The block of mass m is in contact with a moving cart as shown in the figure.The coefficient of friction between the block and the cart is . The acceleration a of the cart that will prevent the block from falling is

A

`alphageg/mu`

B

`alpha lt g/mu`

C

`alpha gt (mg)/mu`

D

`alphagtg/(mum)`

Text Solution

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`muNgemg`
`mumagemg`
`impliesageg/mu`
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CENGAGE PHYSICS-FRICTION-MANDATORY EXERCISE. (EXERCISE SET I)
  1. A body of mass 100 g is made just to slide on a rough surface by apply...

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  2. A weight 'W' rests on a horizontal plane. What will be the least force...

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  3. A horizontal force of 10 N is necessary to just hold a block stationar...

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  4. A mass of 4 kg rests on a horizontal plane. When the plane is graduall...

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  5. The ratio of mu(k) (kinetic friction) and mu(s) (state friction) is

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  6. What is the relation between the normal reaction acting on a surface a...

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  7. A block of mass 0.1 kg is held against a wall by applying a horizontal...

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  8. The block of mass m is in contact with a moving cart as shown in the f...

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  9. A block is placed on an inclined plane. The angle of inclination of th...

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  10. Find the maximum value of force F such that the block shown in the fig...

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  11. If F denotes the contact force, f denotes the frictional force exerted...

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  12. In the figure, blocks A and B weigh 20 N and 100 N respectively. The b...

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  13. A rocket is fired vertically from the earth with an acceleration of 2g...

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  14. A horizontal force of 10N is necessary to just hold a block stationary...

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  15. The acceleration of a moving body down a rough inclined plane is

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  16. A body of mass Mis kept on a rough horizontal surface with friction co...

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  17. A block of mass m is placed at rest on a horizontal rough surface with...

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  18. A block rests on a rough inclined plane making an angle of 30° with th...

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  19. A force is linearly increasing with time, on a block of mass m placed ...

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  20. In the figure shown, the frictional coefficient between the table and ...

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