Force Diagrams

Front

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

Back

Net Force

Front

In a force diagram, what does the size/length of the arrow represent?

Back

The strength of the force.

Front

What is the force that keeps objects on top of surfaces instead of letting them sink into the surface?

Back

Normal force.

Front

What force acts against the motion of an object sliding on a surface?

Back

Friction.

Front

What is the force that pulls objects toward the center of the Earth?

Back

Gravity.

Front

What type of force occurs when two objects are in contact and push or pull on each other?

Back

Contact Force.

Front

What is the term for forces that are equal in size but opposite in direction?

Back

Balanced Forces.

Front

What happens to an object when the net force acting on it is zero?

Back

It remains at rest or continues to move at a constant speed.

Front

What is the force that opposes the motion of an object through a fluid (like air or water)?

Back

Drag.

Front

What is the term for the force that resists the motion of two surfaces sliding against each other?

Back

Friction.