Unit 2: Force and Motion FLASHCARDS

Front

What is speed?

Back

The distance traveled by an object in a certain amount of time

Front

What are the two things that must be measured to find an object's velocity?

Back

speed and direction

Front

Acceleration is a change in ________.

Back

velocity

Front

A ____________ is a push or a pull on an object.

Back

force

Front

What is the unit to MEASURE force?

Back

Newton

Front

This type of force resists motion between two surfaces that are pressed together.

Back

friction

Front

Gravity is a force that...

Back

Pulls objects towards Earth

Front

What is magnetism?

Back

the force exerted by magnets when they attract or repel each other.

Front

Mass is expressed in what type of units?

Back

grams and kilograms

Front

A measure of how much matter an object has is--

Back

mass