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When a 4 kg rifle is fired, the 10g bull...

When a 4 kg rifle is fired, the 10g bullet receives an acceleration of `3xx10^(6) cm//s^(2)`. The magnitude of the force acting on the rifle (in newton) is

A

Zero

B

120

C

300

D

3000

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AAKASH INSTITUTE ENGLISH-LAWS OF MOTION-Assignment (SECTION-A)
  1. In the following figure, the object of mass m is held at rest by a hor...

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

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

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

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

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

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

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

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

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  10. Two bodies of masses m(1) " and " m(2) are connected a light string wh...

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  11. In the figure given below, with what acceleration does the block of ma...

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  12. T(1) and T(2) in the given figure are

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  13. In the arrangement shown, the mass m will ascend with an acceleration ...

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  14. A chain of mass M and length L is held vertical by fixing its upper en...

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  15. A man slides down a light rope whose breaking strength in eta times hi...

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  16. In the arrangement as shown, tension T(2) is (g=10m//s^(2))

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  17. If pulleys shown in the diagram are smooth and massless and a(1) and a...

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  18. Figure shows a uniform rod of length 30 cm having a mass 3.0 kg. The ...

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  19. Mr. A, B and C are trying to put a heavy piston into a cylinder at a m...

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  20. In a rocket, fuel burns at the rate of 2 kg/s. This fuel gets ejected ...

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