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Figure shows a uniform rod of length 30 cm having a mass 3.0 kg. The rod is pulled by constant forces of 20N and 32N as shown. Find the force exerted by 20 cm part of the rod on the 10 cm part (all surfaces are smooth) is

A

36N

B

12N

C

64N

D

24N

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AAKASH INSTITUTE-LAWS OF MOTION-Assignment (SECTION-A)
  1. In the arrangement as shown, tension T(2) is (g=10m//s^(2))

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

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

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

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  6. A machine gun fires a bullet of mass 65 g with a velocity of 1300 m/s....

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  7. A bullet of mass 40g is fired from a gun of mass 10 kg. If velocity of...

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  8. A diwali rocket is ejecting 0.05kg of gases per second at a velocity o...

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  9. A rocket of mass 5700 kg ejects mass at a constant rate of 15 kg/s w...

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  10. A ballon has 2 g of air . A small hole is pierced into it . The air c...

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  11. A surface is hit elastically and normally by n bals per unit time, all...

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  12. A particle of mass m strikes a wall with speed v at an angle 30^(@) wi...

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  13. A body of mass 1 kg initially at rest, explodes and breaks into three ...

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  14. A 6 kg bomb at rest explodes into three equal pieces P, Q and R. If P ...

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  15. A particle of mass 2m moving with velocity v strikes a stationary par...

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  16. Which of the following is a self adjusting force ?

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  17. Maximum force of friction is called

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  18. The limiting force of friction betwwen two bodies in contact independe...

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  19. Why is it difficult to move a bike with its brakes on ?

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  20. Which is a suitable method to decrease friction

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