Forces

What is an amount of something measured per unit of something else?

• Speed

• Rate

• Velocity

• Acceleration

What is an object’s speed and direction of motion?

• Speed

• Rate

• Velocity

• Acceleration

What is a set of verbal or mathematical rules to describe a natural phenomenon?

• Natural law

• Law and order

• Law of motion

• Scientific law

What is a unit used to measure the strength of a force?

• Newton

• Galileo

• Einstein

• Mozart

What states that an object at rest stays at rest, and an object in motion stays in motion with a constant velocity unless acted on by unbalanced forces?

• Newton’s second law of motion

• Newton’s third law of motion

• Newton’s first law of motion

What forces have a net force not equal to 0 N?

• Armed forces

• Unbalanced forces

• Balanced forces

• Police forces

What is the rate that describes how far an object moves over time?

• Speed

• Rate

• Velocity

• Acceleration

What is an object or place you use to describe the locations of other objects?

• Position

• Reference frame

• Reference point

What is a push or a pull on an object?

• Net force

• Force

• Aggressive

• Newton

What states that when an object exerts a force on a second object, the second object exerts a force on the first object with equal strength, but in the opposite direction?

• Newton’s second law of motion

• Newton’s third law of motion

• Newton’s first law of motion