FORCE AND MOTION: PART IRyan CatesUniversity of South FloridaBig Idea 11: Energy Transfer and Transformation

Vocabulary Review

Conductivity

Insulator

Magnets have north and south ______?

Name 3 types of potential energy

Definition: The energy of motion.

Mass

Forces and changes in motion

*VOCABULARY* Force – A push or pull on an object.

Some forces act through physical contact while others act from a distance.

Weight – The force (pull) that gravity puts on mass. Calculated by mass* the gravity constant.

Gravity – A force of attraction the earth has terrestrial bodies.

Weight is different on other planets

Weight = Mass x Gravitational Constant Gravitational Constant = 32.2 ft/s2

Planet Weight Mass

Earth 160 4.97

Mercury 60.4 4.97

Venus 145.1 4.97

The Moon 26.5 4.97

Mars 60.3 4.97

Jupiter 378.2 4.97

Saturn 170.2 4.97

http://www.exploratorium.edu/ronh/weight/

Newton’s first law

An object that is in motion will stay in motion or an object at rest will stay at rest until acted upon by another force.