Forces & Motion

Front

What is the rate of change in velocity over time?

Back

Acceleration

Front

What term describes speed and direction?

Back

Velocity

Front

What is the amount of matter in an object called?

Back

Mass

Front

What measures the pull of gravity on a sample of matter?

Back

Weight

Front

What is the combination of all forces acting on an object?

Back

Net force

Front

What do we call forces that are equal in size but opposite in direction?

Back

Balanced forces

Front

What is the force that opposes motion between two surfaces in contact?

Back

Friction

Front

What is the force that attracts objects toward each other due to their mass?

Back

Gravity

Front

What is the formula for calculating acceleration?

Back

Acceleration = (Final Velocity - Initial Velocity) / Time

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object; weight is the force of gravity acting on that mass.