Science

A measure of how far something travles in a certain period of time

The number of kilometers something can travle in one hour

A measure of speed in a certain direction

The tendency of an object to stay at rest or to remain in motion unless an outside force causes a change

A force that acts to pull pairs of objects together

The amount of matter in an object

the force gravity exerts on an object's mass

Rate of change in speed or direction of movment

A force that resists the movment of one surface past another surface

Friction caused by gas moleucules in the air hitting an object slowing it down

To design smooth, rounded surfaces on an object so it slips through the air with the least possible ressistance