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Choose the correct options A force appl...

Choose the correct options
A force applied to a packet resting on smooth horizontal plane making an angle of `45^@`, displaces it through 4 m. If the work done in moving the packets is 16 J, the force applied is

A

`frac(4)(sqrt2)N`

B

`frac(20)(sqrt2)N`

C

`12sqrt2` N

D

`4sqrt2` N

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CHETANA PUBLICATION-LAWS OF MOTION -EXERCISE
  1. Choose the correct options Choose the WRONG statement.

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  2. Choose the correct options A block of wood moves a distance 5 cm alon...

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  3. Choose the correct options A force applied to a packet resting on smo...

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  4. Choose the correct options A ball of mass 5 kg travelling with veloci...

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  5. Choose the correct options When the bodies stick together after colli...

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  6. Choose the correct options A force F = (0.5x + 12) N acts on a partic...

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  7. Choose the correct options A block of mass m moving at a speed of u c...

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  8. Choose the correct options If the relative displacement between any t...

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  9. Choose the correct options A bomb of mass 9 kg explodes into two piece...

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  10. Choose the correct options The cofficient of restitution will NOT hav...

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  11. Choose the correct options A frame of reference which moves with cons...

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  12. Choose the correct options Non-inertial frame of reference has

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  13. Choose the correct options When a body is at rest, then

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  14. Choose the correct options The turning effect of the applied force doe...

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  15. Choose the correct options What is the torque of force f=(2i-3j+4k) ac...

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  16. Choose the correct options A mass of 10 kg is suspended from a rope wo...

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  17. Choose the correct options Centre of mass of body lies

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  18. Choose the correct options The centre of mass of a system of two unifo...

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  19. Choose the correct options For a circular ring centre of gravity lies

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  20. Choose the correct options A uniform bar RS weighs 100 g and is 80 cm...

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