true or false
______1. When a car goes upward on a hill, it moves against gravity.

______2. Friction is a force that pulls all objects down to Earth’s center.

______3. Gravitational pull is less on the moon than on Earth.

______4. If there is no air resistance, objects dropped from the same height

will hit the ground at the same time.

______5. Isaac Newton observed that an apple falls from a tree because of

gravity.

______6. The moon’s gravitational pull causes seawater to rise that results in

a low tide.

______7. A ball that is thrown upward will eventually fall to the ground

because of frictional forces.

______8. Any object falling without air resistance is in the state of free fall.

______9. The sun’s gravitational pull keeps the planets in the solar system in

their orbits.

______10. Earth’s gravity acts more strongly on an object located on top of

Mt. Everest than an object located at sea level.​