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Under what conditons will an object be i...

Under what conditons will an object be in equilibrium ?

A

(a)Only if it at rest

B

(b)Only if moving with constant velocity

C

(c)Only if it is moving with constant acceleration

D

(d)If it is either at rest or moving with constant velocity

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The correct Answer is:
D
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ALLEN -NEWTON'S LAWS OF MOTION & FRICTION-EXERCISE (O-1)
  1. A ball of mass m kept at the corner as shown in the figure, is acted b...

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  2. A small elecrtrically charged sphere is suspended vertically from a th...

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  3. Under what conditons will an object be in equilibrium ?

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  4. Four blocks of the same mass m connected by cords are pulled by a forc...

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  5. In a given figure system is in equlibrium, If W(1)= 300 N. Then W(2) i...

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  6. Two balls A and B weighing 7 N and 9 N are connected by a light code. ...

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  7. A girl pushes her physics book up against the horizontal ceiling of he...

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  8. Two astronauts A and B connected with a rope stay stationary in free s...

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  9. Three boxes are placed in a life. Wheen acceleration of the life is 4m...

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  10. A man is standing on a weighing machine with a block in his hand. The ...

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  11. A block is being pulled by a force F on a long frictionless level floo...

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  12. A block B is tied to one end of a uniform rope R as shown. The mass of...

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  13. The pulleys and strings shown in the fig are smooth and of negligible ...

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  14. A block resting on a smooth inclined plane is acted upon by a force F ...

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  15. In the arrangement shown, the blocks of unequal masses are held at res...

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  16. A monkey weighing 10 kg climbing up a light rope and frictionless pull...

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  17. A heavy cart is pulled by a constant force F along a horizontal track ...

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  18. In arrangement shown the block A of mass 15 kg supported in equilibriu...

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  19. In the given figure, Find mass of the block A, if it remains at rest, ...

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  20. In the arrangement shown, the 2 kg block is held to keep the system at...

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