Forces - Free Body Diagram

Front

What is a non-contact force?

Back

A force that acts on an object without physical contact, such as gravity or magnetism.

Front

Give an example of a non-contact force.

Back

Magnetism.

Front

What is the purpose of using plastic straws under a wooden block on a ramp?

Back

To decrease the amount of friction.

Front

What force is acting on a coffee cup resting on a table that is not shown in the free body diagram?

Back

The normal force from the table pushing the cup up.

Front

What is the force pulling an object toward the center of the Earth called?

Back

Force of gravity.

Front

What is the sum of all forces acting on an object called?

Back

Net Force.

Front

What is a free body diagram?

Back

A graphical representation used to visualize the forces acting on an object.

Front

What does a balanced force mean?

Back

Forces that are equal in size and opposite in direction, resulting in no change in motion.

Front

What is an unbalanced force?

Back

Forces that are not equal and opposite, causing a change in motion.

Front

What is friction?

Back

A contact force that opposes the motion of an object.