Force & Motion Study Guide

Front

What is Newton's 3rd Law of Motion?

Back

For every action, there is an equal and opposite reaction.

Tags

NGSS.MS-PS2-1

Front

What does Newton's 1st Law of Motion state?

Back

An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

Front

What is the unit for measuring force?

Back

N (Newtons)

Front

What is an unbalanced force?

Back

A force that causes a change in motion of an object.

Tags

NGSS.MS-PS2-2

Front

What is the relationship between force, mass, and acceleration according to Newton's 2nd Law?

Back

Force equals mass times acceleration (F = ma).

Tags

NGSS.MS-PS2-2

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is the effect of gravity on objects?

Back

Gravity pulls objects toward the center of the Earth, causing them to fall.

Tags

NGSS.5-PS2-1

Front

What is the difference between balanced and unbalanced forces?

Back

Balanced forces do not change an object's motion, while unbalanced forces do.

Tags

NGSS.3-PS2-1

Front

What happens to an object in motion when no net force acts on it?

Back

It continues to move at a constant velocity.

Front

What is acceleration?

Back

The rate of change of velocity of an object.

Tags

NGSS.MS-PS2-2