Amplify: Forces & Motion Study Guide

Front

What is a collision?

Back

A collision is the moment when two objects hit each other.

Front

What is speed?

Back

Speed is how fast an object is moving.

Front

What is velocity?

Back

Velocity is speed in a particular direction.

Front

How are speed and velocity different?

Back

Velocity includes direction, while speed does not.

Front

What must happen for an object to stop moving?

Back

A force must come from the opposite direction as the object's motion.

Front

What is force?

Back

A force is a push or pull on an object.

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 a net external force.

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.

Front

What is acceleration?

Back

Acceleration is the rate of change of velocity of an object.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.