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Which of the following statements is cor...

Which of the following statements is correct?

A

Centre of mass of a body can be considered at any general point

B

Radius of gyration depends on mass of rigid body

C

There must be some mass present at location of centre of mass

D

Centre of mass and centre of gravity may be at same point

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AAKASH INSTITUTE ENGLISH-MOCK TEST 7-Exercise
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  2. Weight of a solid is 250 g in air, 50 g in unknown liquid and 150 g in...

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  3. A sample of 0.5 g water at 100°C and 1 atm pressure requires 270 cal h...

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  4. The velocity - time (V - t) graph of an object of mass 2 kg is as show...

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  5. Four forces are acting on a body as shown in figure. The magnitude of ...

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  6. A mass m is connected to a massless rod of length l( and is free to ro...

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  7. An object having kinetic energy of 50 J is moving with linear momentum...

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  8. The tension in the cord connected to motor is 15000 N and mass of the ...

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  9. A pump of power P ejects M kg water per second through a horizontal pi...

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  10. Forces of equal magnitude of 0.5 N are acting on a square plate of sid...

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  11. IF linear mass density a rod of length 2 m is changing with position a...

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  12. Which of the following statements is correct?

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  13. A solid and a hollow sphere are released from the top of a sufficientl...

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  14. A disc of mass 3 kg and radius 0.5 m is placed on a horizontal frictio...

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  15. A uniform rod length is l hinged at A and suspended with vertical stri...

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  16. Sound wave from a source A, follows two paths AOB and APQB in a tube a...

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  17. Velocity of sound in air is 320 m/s. For an organ pipe closed at one e...

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  18. A train moving with constant speed 40 m/s in an elliptical path in ant...

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  19. A ball is projected from origin at time t= 0. The x and A y coordinate...

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  20. A mass m is moving with velocity (bar v) along a line y = x as shown i...

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