Unit 2- Forces Vocabulary

Front

States that when one object exerts a force on a second object, the second object exerts a force on the first object that is equal in strength and in the opposite direction.

Back

newton's 3rd law

Front

A natural phenomenon by which all things with mass are brought toward (or gravitate toward) one another.

Back

gravity

Front

Amount of matter in an object.

Back

mass

Front

Attractive forces between two objects due to their position above the Earth's surface; depends on the distance above the Earth's surface and the object's mass.

Back

gravitational force

Front

A force that opposes motion and is the result of the contact between two surfaces.

Back

friction

Front

States that the acceleration of an object is in the same direction as the net force on the object, and that acceleration equals the net force divided by the mass.

Back

newton's 2nd law

Front

The effect of gravitational force on the mass of an object

Back

weight

Front

An object's resistance to changes in its motion; affected by the mass and speed of the object

Back

inertia

Front

a push or pull on an object; measured in Newtons (N)

Back

force

Front

States that objects at rest or moving at a constant velocity tend to stay at rest or moving at constant velocity unless acted upon by an external force.

Back

newton's 1st law