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A block of weight 9.8N is placed on a t...

A block of weight `9.8N` is placed on a table. The table surface exerts an upward force of `10N` on the block. Assume `g=9.8m//s^(2)`.

A

The block exerts a force of 10 N on the support.

B

The block exert s force of `9.8` N on the support.

C

The block has an upward acceleration.

D

The block has a downward acceleration.

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The correct Answer is:
A, C
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ALLEN-NEWTON'S LAWS OF MOTION & FRICTION-EXERCISE (O-2)
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  7. A block is kept on a rough surface and applied with a horizontal force...

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  8. A block placed on a rough horizontal surface is pushed with a force F ...

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  9. A block is placed over a plank. The coefficient of friction between th...

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  10. A block is released from rest from point on a rough inclined place of ...

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  11. In the given figure both the bocks have equal mass. When the thread is...

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  12. A block of mass m is placed on a smooth horizontal floor is attached t...

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  13. A block of mass m is placed on a smooth horizontal floor is attached t...

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  14. A block of mass m is placed on a smooth horizontal floor is attached t...

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  15. When F = 2N, the frictional force between 5 kg block and ground is

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  16. When F = 2n, the frictional force between 10 kg block 5 kg block is

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  17. The maximum F which will not cause motion of any of the blocks is

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  18. The maximum acceleration of 5 of kg block is :-

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  19. The acceleration of 10 kg block when F = 30 N is

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  20. In the figure shown ,acceraltion of is x (upwards ) Acceleration o fpu...

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