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If the speed of rotation of earth about ...

If the speed of rotation of earth about its axis increases, then the weight of the body at the equator will

A

increases

B

decreases

C

becomes double

D

does not changes

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The correct Answer is:
B
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ALLEN-GRAVITATION-EXERCISE 1
  1. Imagine a new planet having the same density as that of the earth but ...

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  2. If the change in the value of g at a height h above the surface of ear...

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  3. If the speed of rotation of earth about its axis increases, then the w...

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  4. A body weighs W at the surface of the earth. Its weight at a height eq...

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  5. The imaginary angular velocity of the earth for which the effective ac...

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  6. A particle falls on earth : (i) from infinity. (ii) from a height 10...

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  7. Two different masses are droped from same heights. When these just str...

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  8. By which curve will be variation of gravitational potential of a hollo...

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  9. Gravitational potential difference between surface of a planet and a p...

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  10. If M(e) is the mass of earth and M(m) is the mass of moon (M(e)=81 M(m...

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  11. The gravitational potential energy is maximum at :

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  12. A missile is launched with a velocity less than the escape velocity. T...

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  13. A body attains a height equal to the radius of the earth. The velocity...

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  14. The gravitational potential energy of a body at a distance r from the ...

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  15. A particle falls towards the earth from inifinity. The velocity with w...

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  16. A projectile of mass m is thrown vertically up with an initial velocit...

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  17. Two small and heavy spheres, each of mass M, are placed a distance r a...

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  18. An artificial satellite moving in a circular orbit around the earth h...

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  19. A particle of mass m is moving in a horizontal circle of radius R unde...

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  20. The potential energy of a body of mass 3 kg on the surface of a planet...

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