McGraw Hill Physical Science Chapter 3 Vocabulary Flashcard

Front

A Push Or Pull

Back

Force

Front

Sum of All Forces acting on one object

Back

Net Force

Front

Forces that oppose the sliding motion of two surfaces that touch

Back

Friction

Front

gravitational force exerted on an object

Back

Weight

Front

An object moves at a constant velocity unless an unbalanced force acts upon it.

Back

Newton's 1st law

Front

A region of space that has a physical quantity at every point

Back

Field

Front

The tendency of an object to resist any change in its motion

Back

Inertia

Front

If gravity is the only force acting upon the object

Back

Free Fall

Front

A force exerted toward the center of a curved path

Back

Centripetal Force

Front

What law states that if no external forces act on a group of objects, their total momentum does not change?

Back

Law of conservation of momentum