Class IX

The distance between two bodies becomes 6 times more than the usual distance. The the F becomes
  1. 36 times
  2. 6 times
  3. 12 times
  4. 1/36 times
 An object moving in (upward) direction opposite to the gravitational force of earth performs
  1. Accelerated motion
  2. Motion with constant velocity
  3. Oscillations
  4. Retarded motion
  The force which keeps the body to move in circular motion when accelerated is
  1. Force of gravitation
  2. Centripetal force
  3. Electrostatic force
  4. Magnetic force
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 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
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