Force and Motion Intro.

Front

What is a force?

Back

A force is the PUSH or PULL on an object.

Front

What unit do we measure force in?

Back

Newtons.

Front

What are unbalanced forces?

Back

Unbalanced forces are forces that cause an object to move because they are not equal in size and direction.

Front

What are balanced forces?

Back

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

Front

Give an example of balanced forces.

Back

A lamp sitting on a table is an example of balanced forces.

Front

What is the effect of unbalanced forces on an object?

Back

Unbalanced forces cause an object to accelerate, change direction, or change shape.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object.

Front

What is gravity?

Back

Gravity is a force that pulls objects toward each other, such as the Earth pulling us down.

Front

What is motion?

Back

Motion is the change in position of an object over time.

Front

What is speed?

Back

Speed is the distance an object travels per unit of time.