Home
Class 11
PHYSICS
An astronaut inside a small space ship o...

An astronaut inside a small space ship orbiting around the earth cannot detect gravity. If the space station orbiting around the earth has a large size, can he hope to detect gravity ?

Text Solution

Verified by Experts

Yes, if the size of the space ship is large enough for him to detect the vartation in g.
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    NCERT GUJARATI|Exercise ADDITIONAL EXERCISES|4 Videos
  • GRAVITATION

    NCERT GUJARATI|Exercise ADDITIONAL EXERCISES|4 Videos
  • KINETIC THEORY

    NCERT GUJARATI|Exercise ADDITIONAL EXERCISE|4 Videos

Similar Questions

Explore conceptually related problems

Assertion : An astronaut in an orbiting space station above the earth experience weightlessness. Reason : An object moving around the earth under the infuence of earth's gravitational force is in a state of 'free fall'

A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the mass of the earth.

When a satellite in a circular orbit around the earth enters the atmospheric region, it encounters small air resistance to its motion. Then

An artificial satellite moving in a circular orbit around the earth has a total energy E_(0) . Its potential energy is

A satellite of mass m revolves around the earth of radius R at a height x from its surface. If g is the acceleration due to gravity on the surface of the earth, the orbital speed of the satellite is .........

A satellite of mass m revolves around the earth of radius R at a height x from its surface. If g is the acceleration due to gravity on the surface of the earth, the orbital speed of the satellite is

Classically, an electron can be in any orbit around the nucleus of an atom. Then what determines the typical atomic size? Why is an atom not, say, thousand times bigger than its typical size ? The question had greatly puzzled Bohr before he arrived at his famous model of the atom that you have learnt in the text. To simulate what he might well have done before his discovery, let us play as follows with the basic constants of nature and see if we can get a quantity with the dimensions of length that is roughly equal to the known size of an atom (-10^(-10)m) Construct a quantity with the dimensions of length from the fundamental constants e, m_(e) and c. Determine its numerical value.

The planet Mars has two moons, phobos and delmos. (i) phobos has a period 7 hours, 39 minutes and an orbital radius of 9.4 xx 103 km. Calculate the mass of mars. (ii) Assume that earth and mars move in circular orbits around the sun, with the martian orbit being 1.52 times the orbital radius of the earth. What is the length of the martian year in days ?

NCERT GUJARATI-GRAVITATION-EXERCISES
  1. You can shled a charge from electrical forces by putting it inside a h...

    Text Solution

    |

  2. An astronaut inside a small space ship orbiting around the earth canno...

    Text Solution

    |

  3. If you compare the gravitational force on the earth due to the sun to ...

    Text Solution

    |

  4. Acceleration due to gravity increases/decreases with increasing altitu...

    Text Solution

    |

  5. Acceleration due to gravity increases/decreases with increasing depth ...

    Text Solution

    |

  6. Acceleration due to gravity is independent of mass of the earth/mass o...

    Text Solution

    |

  7. The formula –G Mm(1//r(2) – 1//r(1)) is more/less accurate than the f...

    Text Solution

    |

  8. Suppose there existed a planet that went around the Sun twice as fast ...

    Text Solution

    |

  9. Let us assume that our galaxy consists of 2.5 x× 10^(11) stars each of...

    Text Solution

    |

  10. If the zero of potential energy is at infinity, the total energy of an...

    Text Solution

    |

  11. The energy required to launch an orbiting satellite out of earth’s gra...

    Text Solution

    |

  12. Does the escape speed of a body from the earth depend on (a) the mass ...

    Text Solution

    |

  13. A comet orbits the sun in a highly elliptical orbit. Does the comet ha...

    Text Solution

    |

  14. Which of the following symptoms is likely to afflict an astronaut in s...

    Text Solution

    |

  15. For the above problem, the direction of the gravitational intensity at...

    Text Solution

    |

  16. A rocket is fired from the earth towards the sun. At what distance fro...

    Text Solution

    |

  17. How will you ‘weigh the sun’, that is estimate its mass? The mean orbi...

    Text Solution

    |

  18. A saturn year is 29.5 times the earth year. How far is the saturn from...

    Text Solution

    |

  19. A body weighs 63 N on the surface of the earth. What is the gravitatio...

    Text Solution

    |

  20. Assuming the earth to be a sphere of uniform mass density, how much wo...

    Text Solution

    |