Front

What does it mean when forces are balanced?

Back

The object is not moving.

Front

Newton's 3rd law states that every action has an ____ and ____ reaction.

Back

Opposite and equal.

Front

An object in motion will stay in motion unless an _______ force acts upon it.

Back

unbalanced.

Front

Newton's Second Law of Motion can be written as F = ma. What does the letter 'm' stand for?

Back

mass.

Front

What is the force that makes an object fall back down to Earth?

Back

gravity.

Front

What is Newton's First Law of Motion?

Back

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by an unbalanced force.

Front

What is inertia?

Back

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

Front

What is the formula for calculating force?

Back

F = ma (Force = mass x acceleration).

Front

What is acceleration?

Back

The rate of change of velocity of an object.

Front

What is the difference between balanced and unbalanced forces?

Back

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