Physics Chapter on Gravitation

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What does the law of universal gravitation state?

Every object in the universe pulls on every other object.

What is gravitational potential energy dependent on?

Mass and height above the surface of the Earth.

Which scientist proposed that the Sun is the center of the universe?

Newton

Kepler

Copernicus (correct)

Galileo

What happens to the force of gravity as objects get farther apart?

The force of gravity gets weaker. Signup and view all the answers

What are Kepler's three laws of planetary motion generally about?

All of the above Signup and view all the answers

Gravity is strongest at higher altitudes.

False Signup and view all the answers

Match the following scientists with their contributions to the understanding of gravity:

Galileo = Determined that everything falls at the same speed Copernicus = Proposed the Sun as the center of the universe Kepler = Formulated laws of planetary motion Newton = Discovered the law of universal gravitation Signup and view all the answers