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When an object is at rest -...

When an object is at rest -

A

Force is required to keep it in rest state

B

No force is acting on it

C

A large number of forces may be acting on it which balance each other

D

It is in vacuum

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AAKASH INSTITUTE ENGLISH-LAWS OF MOTION-Assignment (SECTION-A)
  1. An athlete does not come to rest immedietly after crossing the winning...

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  2. When an object is at rest -

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  3. Newton's first law is applicable

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  4. From Newton's second law of motion, it can be inferred that

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  5. When the force of constant magnitude always act perpendicular to the m...

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  6. When an object is in equilibrium state, then -

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  7. When a force of constant magnitude in a fixed direction acts on a movi...

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  8. An object of mass 2 kg is sliding with a constant velocity of 4ms^(-1)...

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  9. A 10 g bullet moving at 200 m/s stops after penetrating 5 cm of wooden...

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  10. A ball of mass 50 g is dropped from a height of 20 m. A boy on the gro...

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  11. A string tied on a roof can bear a maximum tension of 50 kg wt. The mi...

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  12. In the following figure, the object of mass m is held at rest by a hor...

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  13. In accordance with Newton’s third law of motion -

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  14. When a 4 kg rifle is fired, the 10g bullet receives an acceleration of...

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  15. A man of mass 50 kg carries a bag of weright 40 N on his shoulder. The...

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  16. A block of mass m is placed on a smooth inclined plane of inclination ...

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  17. In which of the following graphs, the total change in momentum is zero...

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  18. A weight mg is suspended from the middle of a rope whose ends are at t...

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  19. Two masses 10 kg and 20kg resplectivley are connected by a massless sp...

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  20. Tension in the rope at the rigid support is (g=10m//s^(2))

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