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Assertion: A rocket works on the princip...

Assertion: A rocket works on the principle of conservation of linear momentum.
Reason: Wheneven there is a change in momentum of one body, the same change occurs in the momentum of the second body of the same system but in the opposite directio.

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SL ARORA-Laws of Motion-Exercise
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  3. Assertion: A rocket works on the principle of conservation of linear m...

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  4. Statement I : On banked curved road, vertical component of normal reac...

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  7. A force of 6N acts on a body at rest and of mass 1kg. During this time...

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  8. Physical independence of force is a Consequcnce of

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  9. A force vector applied on a mass is represented as vec(F)=6hat(i)-8hat...

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  10. A ball is dropped from a spacecraft revolving around the earth at a he...

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  11. An object of mass 3 kg is at rest. Now a force of vec F = 6 t^2 hat...

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  12. Sand is being dropped on a conveyor belt at the rate of Mkg//s . The f...

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  13. Three froces acting on a body are shown in the figure. To have the res...

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  14. A particle of mass m is projected with velocity making an angle of 45^...

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  15. A particle of mass m is moving with a uniform velocity v(1). It is giv...

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  16. A bullet is fired from a gun. The force on the bullet is given by F=60...

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  17. A body of mass 3 kg moving with velocity 10 m/s hits a wall at an ang...

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  18. A 0.5 kg ball moving with a speed of 12 m//s strikes a hard wall at an...

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  19. A body mass M hits normally a rigid wall with velocity v and bounces b...

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