Physical Science Chapter 3 Vocabulary

Front

Centripetal Acceleration

Back

The acceleration directed towards the center of a circular path, necessary to keep an object moving in that path.

Front

Centripetal Force

Back

The force that keeps an object moving in a circular path, directed towards the center of the circle.

Front

Friction

Back

Force that opposes motion between two touching surfaces.

Front

Law of Gravitation

Back

States that any two masses exert an attractive force on each other, the amount of which depends on the mass of the two objects and the distance between them.

Front

Momentum

Back

The quantity of motion an object has, calculated as the product of its mass and velocity.

Front

Newton's Second Law of Motion

Back

States that the net force acting on an object causes the object to accelerate in the direction of the net force.

Front

Newton's Third Law of Motion

Back

The principle stating that for every action, there is an equal and opposite reaction.

Front

Weight

Back

The gravitational force exerted on a body.