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Statement-1 : The centre of mass and cen...

Statement-1 : The centre of mass and centre of gravity of a body are two different positions in general.
and
Statement-2 : The centre of mass and centre of gravity of a body coincide if graviational field is unifrom.

A

Statement -1 is True, Statement -2 si True , Statement -2 is a correct explanation for Statement -1.

B

Statement -1 is True, Statement -2 si True , Statement -2 is not correct explanation for Statement -1.

C

Satement-1 is True, Statement-2 is False.

D

Satement-1 is False, Statement-2 is True.

Text Solution

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The correct Answer is:
B
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ALLEN-CENTRE OF MASS-EXERCISE-III
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  2. Statement I: In a two-body collision, the momenta of the particles are...

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  3. Statement-1 : The centre of mass and centre of gravity of a body are t...

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  4. Statement-1 : A particle of mass m strikes a smooth wedge of mass M as...

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  5. Statement-1 : The coefficient of restitution is less than one for all ...

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  6. Statement I: No external force acts on a system of two spheres which u...

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  7. Statement I: If a sphere of mass mmoving with speed u undergoes a perf...

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  8. Statement I: If a ball projected up obliquely from the ground breaks u...

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  9. Comprehension # 1 If net force on a system in a particular direction...

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  10. Comprehension # 1 If net force on a system in a particular direction...

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  11. Comprehension # 1 If net force on a system in a particular direction...

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  12. Comprehension # 1 If net force on a system in a particular direction...

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  13. Comprehension # 2 When two bodies collide normally they exert equal ...

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  14. Comprehension # 2 When two bodies collide normally they exert equal ...

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  15. A ball collides at B with velocity 10m//s at 30^(@) with vertical. The...

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  16. Comprehension # 4 When the mass of a sytem is variable, a thrust for...

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  17. Comprehension # 4 When the mass of a sytem is variable, a thrust for...

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  18. Comprehension # 4 When the mass of a sytem is variable, a thrust for...

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  19. Comprehension # 5 One particle of mass 1 kg is moving along positive...

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  20. Comprehension # 5 One particle of mass 1 kg is moving along positive...

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