Home
Class 11
PHYSICS
If the earth rotates faster than its pre...

If the earth rotates faster than its present speed, the weight of an object will

A

increase at the equator but remain unchanged at the poles.

B

decrease at the equator but remain unchanged at the poles.

C

remain unchanged at the equator but decrease at the poles.

D

remain unchanged at the equator but increase at the poles.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos
  • LAWS OF MOTION

    TARGET PUBLICATION|Exercise EXERCISE|281 Videos

Similar Questions

Explore conceptually related problems

If earth were to rotate faster than its present speed, the weight of an object

If the radius of the earth contracts to half of its present radius , then the length of the day will be (if the mass of the earth remaining same)

A satellite is moving with a constant speed 'V' in a circular orbit about the earth. An object of mass 'm' is ejected from the satellite such that it just escapes form the gravitational pull of the earth. At the tme of its ejection, the kinetic energy of the object is

Fill in the blanks with appropriate words and write the completed sentences: If the earth shrinks to half of its radius, its mass remaining the same, the weight of an object on the earth will become........ times.

There is one Planet in space which has mass thrice as that of the earth and a radius four times as that of the earth. If the weight of a book on earth is 80N, what will be its weight of book on that Planet ?

The planet in space has mass twice as that of the Earth and a radus thrice as that of the Earth If the weight of ta book is 90 N the Earth .what would be the weight on that planet?

Write the differences between mass and weight of an object.

Mass remaining constant, if the earth suddenly contracts to one third .of its present radius, the length of the day would be shortened by

A satellite is going in a circular orbit of radius 4 xx 10^5 km around the earth has a certain speed. (b) What will be the ratio of the weight of a body on the surface of Mars to tyhe weight of the same body on the surface of the earth? The masses of earth and Mars are in the ratio 10:1 and their radii are in the ratio 2:1

If the earth is at one-fourth of its present distance from the sun, the duration of the year would be

TARGET PUBLICATION-Gravitation-Exercise
  1. The variation of acceleration due to gravity g with distance d from ce...

    Text Solution

    |

  2. Starting from the centre of the earth having radius R, the variation o...

    Text Solution

    |

  3. If the earth rotates faster than its present speed, the weight of an o...

    Text Solution

    |

  4. Which of the following statements is not correct for the decrease in t...

    Text Solution

    |

  5. Calculate angular velocity of earth so that acceleration due to gravit...

    Text Solution

    |

  6. The change in potential energy when a body of mass m is raised to a he...

    Text Solution

    |

  7. A body of mass m is raised to a height h above the surface of the eart...

    Text Solution

    |

  8. A body of mass 'm' is raised to a height '10 R' from the surface of ea...

    Text Solution

    |

  9. A body of mass 'm' is taken from the earth's surface to the height equ...

    Text Solution

    |

  10. The work done to raise a mass m from the surface of the earth to a hei...

    Text Solution

    |

  11. Assuming that the gravitational potential energy of an object at infin...

    Text Solution

    |

  12. Infinite number of bodies, each of mass 2 kg are situated an x-axis at...

    Text Solution

    |

  13. The escape velocity from the surface of earth is ve . The escape veloc...

    Text Solution

    |

  14. The ratio of escape ve locity at earth (ve) to the escape ve locity at...

    Text Solution

    |

  15. A black hole is an object whose gravitational field is so strong that ...

    Text Solution

    |

  16. A space station is at a height equal to the radius of the Earth. If VE...

    Text Solution

    |

  17. A period of geostationary satellite is

    Text Solution

    |

  18. Two satellites A and B go round a planet in circular orbits having rad...

    Text Solution

    |

  19. A satellite S is moving in an elliptical orbit around the earth. The m...

    Text Solution

    |

  20. A remote - sensing satellite of earth revolves in a circular orbit at ...

    Text Solution

    |