Class IX

What is the gravitational force between two objects?
  1. . attractive at large distances only
  2. . attractive at small distances only
  3. attractive at all distances
  4. attractive at large distances but repulsive at small distances
The Earth attracts the moon with a gravitational force of 1020N. The moon attracts the earth with a gravitational force of
  1. Less than 1020N
  2. 1020N
  3. Greater than 1020N
  4. 10-20N
The mass of the body on moon is 40kg, what is the weight on the earth
  1. 240kg
  2. 392N
  3. 240N
  4. 400kg
The mass of the body on moon is 40kg, what is the weight on the earth
  1. . 240kg
  2. . 392N
  3. . 240N
  4. 400kg
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
  1. f/4
  2. f/2
  3. f
  4. 2f
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