1. What type of force is related to the mass of objects?
(a) Electric force
(b) Strong force
(c) Magnetic force
(d) Gravitational force
2. As the distance increases between two objects, the gravitational force between the objects
(a) Increases.
(b) Decreases.
(c) Remains constant.
3. As the mass of two objects increases, the gravitational force between the objects
(a) Increases.
(b) Decreases.
(c) Remains constant.
4. The mass of a satellite is increased. In order to maintain the same orbital period, its distance from the earth must
(a) Increase.
(b) Decrease.
(c) Remain constant.
5. As the distance increases between a satellite and the earth, what happens to the time it takes to complete an orbit?
(a) Increases
(b) Decreases
(c) Remains constant
6. Explain why the gravitational force that exists between the person sitting next to you in class and you is much less than the gravitational force that exists between the earth and you.