Unit 5: Non-Linear Motion

The path of a projectile through the air is called its _?_

The shape of a projectile's path through the air is best described as a(n) _?_

Any object thrown or put into the air is called a(n) _?_.

If an object is in uniform circular motion it is traveling in a _?_ path with a constant _?_.

A pendulum or a weight on a spring are examples of _?_ _?_ _?_. (3 words)

According to Kepler's first law of motion, the planet's orbits are in the shape of a(n) _?_ with the sun at a _?_.

According to Kepler's 2nd law of motion, an imaginary line between the sun and a planet will sweep through equal _?_ in equal periods of _?_.

According to Kepler's 3rd law the ratio of the planet's periods _?_ to the radius _?_ is a constant.

Newton's Law of Universal Gravitation says that the force of gravity is _?_ proportional to the product of the masses and _?_ proportional to the square of the distance between them.

Who created the detailed model of the geocentric solar system?

• Ptolemy
• Copernicus
• Brahe
• Kepler
• Newton