Gravitational Force

Q.

If the distance between two masses is doubled, the gravitational attraction between them

1. Is doubled

2. Becomes four times

3. Is reduced to half

4. Is reduced to a quarter

Q. A body at rest explodes into two pieces of equal masses. The pieces will move

1. in the same direction.
2. in opposite directions with unequal speeds.
3. in opposite directions with equal speeds.
4. in different directions with different speeds.