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Questions and Answers

A body of mass 1kg is attracted by the earth with a force which is equal to

  • 9.8N (correct)
  • 6.67x 1011
  • 1 N
  • 9.8m/s

    • What is the gravitational force between two objects?

  • attractive at large distances only
  • attractive at small distances only
  • attractive at all distances (correct)
  • attractive at large distances but repulsive at small distances

    • The value of ‘g’

  • increases as we go above the earth’s surface
  • Decreases as we go to the centre of the earth (correct)
  • Remains constant
  • Is more at equator and less at poles

    • The ball is thrown up, the value of ‘g’ will be

    <p>negative</p> Signup and view all the answers

    The gravitational force causes

    <p>Both a &amp; b</p> Signup and view all the answers

    The mass of the body on moon is 40kg, what is the weight on the earth.

    <p>392N</p> Signup and view all the answers

    Newton’s law of gravitation applies to

    <p>All bodies irrespective of their size</p> Signup and view all the answers

    The gravitational force between two objects is F. If masses of both the objects are halved without altering the distance between them, then the gravitational force would become

    <p>f/4</p> Signup and view all the answers

    The Earth attracts the moon with a gravitational force of 1020N. The moon attracts the earth with a gravitational force of

    <p>Greater than 1020N</p> Signup and view all the answers

    The distance between two bodies becomes 6 times more than the usual distance. The the F becomes

    <p>1/36 times</p> Signup and view all the answers

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