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How can you lower a 100 kg body from the...

How can you lower a 100 kg body from the roof of a house using a cord with a breaking strength of 80 kg weight without breaking the rope? (1 kg weight = gN)

A

1.96 m/`s^2` downwards

B

9.8 m/`s^2` downwards

C

4.9 m/`s^2` downwards

D

19.6 m/`s^2` downwards

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The correct Answer is:
A
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AAKASH SERIES-LAWS OF MOTION-EXERCISE - II
  1. When an empty lift is moving down with an acceleration of g/4 ms^(-2) ...

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  2. A fireman wants to slide down a rope. The breaking load for the rope i...

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  3. How can you lower a 100 kg body from the roof of a house using a cord ...

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  4. A man in a lift feels an apparent weight W when the lift is moving up ...

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  5. A boy of mass 40 kg climbs up a rope with an acceleration of 2 ms^(-2)...

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  6. Two bodies of masses 1 kg and 2 kg are connected by a very light strin...

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  7. A block of mass M(1)=3kg on a smooth fixed inclined plane of angle 30^...

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  8. Two blocks of masses 2 kg and 4 kg are connected by a light string pas...

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  9. A constant force F = m(2)g//2 is applied on the block of mass m(1) as ...

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  10. A particle of small m is joined to a very heavy body by a light string...

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  11. A small ball is suspended by a string from the ceiling of a car. As th...

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  12. A pendulum of mass m hangs from a support fixed to a trolley. The dire...

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  13. All the surfaces are smooth as shown in figure. The acceleration of ma...

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  14. A wooden block of 100 kg is about to be pushed on a floor of coefficie...

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  15. A block is in limiting equilibrium on a rough horizontal surface. If t...

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

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  17. The coefficient of friction is 0.75. If sin37°= 0.6, the angle of fric...

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  18. A block of mass 20kg is pushed with a horizontal force of 90N. If the ...

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  19. A body of mass 60 kg is pushed up with just enough force to start it ...

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  20. A block of mass 2 kg is on a horizontal surface. The coefficient of st...

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