Name the fundamental force which holds the planets in their orbits around the sun:
Gravitational force of attraction
Electrostatic force of attraction
Nuclear force of attraction
None of these
The weight of a body on the moon is one - sixth of its weight on the earth.How will the mass of the body vary ?
Becomes 1/6 th
Remains the same
Becomes 6 times
Becomes 1/8 th
Every object in the universe attracts every other object with a force which is inversely proportional to
Square of the distance
Cube of the distance
Distance
Two times the distance
What will be the weight of an object at the centre of the earth ?
Half
Zero
Doubles
No change
If the mass of a person is 60 kg, What about the force when he is on moon ?
178.5 N
71.5 N
96.56 N
97.2 N
Which one of the following is attracted towards the earth with greater force ?
Empty bottle
Bottle containing full of water
Bottle containing half filled water
None
If height from the ground increases, the value of g ?
Increases
Decreases