Gravity Video

How does direction affect gravity?

• It doesn't. It still falls down.

• Depends on the direction

• It keeps going in that direction.

(T/F) You and earth have a gravitational attraction

• True

• False

(T/F) Gravitational force varies by location on earth.

• True

• False

(T/F) Astronauts reach escape velocity prior to leaving the earth.

• True

• False

Shooting stars are also known as

• meteors

• space rocks

• asteroids

• flying stars

The force that pulls everything towards the center of the earth.

• acceleration

• falling rate

• phorism

• gravity

Which type of friction causes a hammer to land before a feather in a free fall?

• static friction

• rolling friction

• air resistance

• air friction

Gravity is a force of

• attraction.
• repulsion.
• equality.
• nothing.

Sir Issac Newton developed the theory of

• gravity.
• space.
• relativity.
• nothing.

Newton's law is called

• The Theory of Relativity.
• Law of Universal Gravitation.