Gr 8 Unit 2 L:lesson 1 Quiz

Front

force

Back

a push or pull in any given direction

Front

mass

Back

what causes gravity/attracts gravity

Front

field force

Back

a force through an empty space

Front

unbalanced forces

Back

causes acceleration

Front

Newton's Law of Gravitation

Back

any object with a mass will exert a force of

ATTRACTION

Front

Coulomb's Law

Back

opposite charges attract, same charges repel

Front

positive charge

Back

– (protons) more protons than electrons, arrows exit

Front

negative charge

Back

(electrons) more electrons than protons, arrows enter

Front

What happens to gravity as distance increases?

Back

Gravity will decrease

because gravity and distance are inversely proportional.

Front

Can gravity ever equal zero?

Back

No, it will never equal zero. It never takes

a break or stops, it affects ALL objects with mass at all times.