Motion & Forces Vocabulary

The rate at which velocity changes.

• Acceleration
• Instantaneous Speed
• Gravity
• Average Speed

Answer explanation

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The overall rate of speed at which an object moves

• Average Speed
• Friction
• Centripetal Force
• Instantaneous Speed

A force that causes an object to move in a circle.

• Centripetal Force
• Newton
• Instantaneous Speed
• Friction

A force that causes an object to move in a circle.

• Distance
• Centripetal Force
• Newton’s 2nd Law of Motion
• Free Fall

Friction that occurs as an object moves through a fluid.

• Fluid Friction
• Rolling Friction
• Distance
• Satellite

A push or pull exerted on an object.

• Force
• Fluid Friction
• Inertia
• Centripetal Force

The motion of a falling object when the only force acting on it is gravity.

• Free Fall
• Mass
• Satellite
• Gravity

The force that two surfaces exert on each other when they rub against each other.

• Friction
• Static Friction
• Newton’s 3rd Law of Motion
• Force

The attractive force between two objects; the force that moves objects downhill.

• Gravity
• Slope
• Velocity
• Reference Point

The tendency of an object to resist a change in motion.

• Inertia
• Average Speed
• Acceleration
• Newton’s 1st Law of Motion