Unit 3 Vocabulary

Force

• A push or pull that can change the motion of an object.

• The state of an object when it is not in motion.

Separate forces on an object that combined do not change the movement of the object.

• Balanced Forces

• Unbalanced Forces

Forces on an object that cause change in the motion of the object.

• Balanced Forces

• Unbalanced Forces

The total of all the forces acting on an object.

• At Rest

• Net Force

• Friction

At Rest

• The state of an object when it is not in motion.

• The change in an object's position with respect to time and location.

The change in an object's position with respect to time and location.

• Motion

• At Rest

The rate of change of distance with respect to time.

• Speed

• Density

Force that opposes the motion of one surface across another.

• Friction

• Direction

• At Rest

Velocity

• Same as speed

• Speed plus direction

• Change in speed

Acceleration

• rate of change in an object's velocity

• speed plus direction

• speed