Unit 1 Forces and Motion

Front

What is necessary to move a car compared with a bicycle?

Back

Less Force

Front

What can be concluded when two children pull on a rope in opposite directions and the rope does not move?

Back

They used Balanced Force, the rope did not move, and they applied the same force.

Front

What is the force that happens when an object rubs against another object?

Back

Friction

Front

What is motion?

Back

The process of change in an object's position.

Front

Can objects only move in a straight line?

Back

False

Front

What is a force?

Back

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

Front

What is balanced force?

Back

Forces that are equal in size but opposite in direction, resulting in no movement.

Front

What is unbalanced force?

Back

Forces that are not equal, causing an object to move in the direction of the greater force.

Front

What is friction?

Back

A force that opposes motion between two surfaces that are in contact.

Front

What happens to an object when a force is applied?

Back

It may start moving, stop moving, or change direction.