II. Write TRUE if the statement is correct and change the underlined words if it is wrong. Write the correct answer on the space provided.
6. Gravity is a (contact force) that acts between two separate objects.
7. Gravity is the force exerted by the Earth which is equivalent to the (mass) of an object.
8. Gravity on the moon is (less) than the gravity on the Earth.
9. Friction, unlike gravity, is a (noncontact force).
10. (Friction) keeps objects from sliding off surfaces.
11. The principle of gravity was discovered by (Sir Isaac Newton)
12. Friction is the force that opposes the (push) of gravity on objects.
13. The (lesser) the mass of an object, the greater the pull of gravity on it.
14. (Gravity) keeps anything from going up.
15. Gravitational pull between objects (increases) as the distance between them decreases.

NONSE ANSWER REPORT​