CFU 4 Forces Study Guide

Front

An object's motion is influenced only by the forces that _________, not by__________

Back

Are applied to it, the forces it applies to others

Front

The amount of matter in an object is called __________.

Back

Mass

Front

A model that represents the whole system is called __________.

Back

A model

Front

All ________ come in pairs in ________ directions.

Back

Forces, opposite

Front

Which of Newton's laws states 'For every action, there is an equal and opposite reaction force'?

Back

Newton's 3rd Law

Front

What is the force that opposes the motion of an object through a fluid called?

Back

Drag

Front

The law that states an object at rest stays at rest and an object in motion stays in motion unless acted upon by a net external force is known as __________.

Back

Newton's 1st Law

Front

The force that pulls objects toward the center of the Earth is called __________.

Back

Gravity

Front

What is the term for the rate of change of velocity?

Back

Acceleration

Front

The total force acting on an object is called __________.

Back

Net force