Balanced & Unbalanced Forces

Front

What are balanced forces?

Back

Balanced forces are two or more forces acting on an object that cancel each other out, resulting in no change in motion.

Front

What are unbalanced forces?

Back

Unbalanced forces are forces that do not cancel each other out, causing an object to move or change its motion.

Front

What happens when a car is parked?

Back

The forces acting on the car are balanced, so it does not move.

Front

When two people pull on a rope with the same force, what type of forces are they using?

Back

They are using balanced forces.

Front

Why does a book on a table stay still?

Back

The forces of the table pushing up and gravity pulling down are balanced.

Front

What causes an object to start moving?

Back

Unbalanced forces cause an object to start moving.

Front

What happens to a marble rolling down a ramp?

Back

The forces acting on the marble are unbalanced, causing it to roll down.

Front

What is an example of balanced forces in everyday life?

Back

A person sitting in a chair is an example of balanced forces; gravity pulls down while the chair pushes up.

Front

What is an example of unbalanced forces in everyday life?

Back

A soccer ball being kicked is an example of unbalanced forces; the kick applies more force than gravity.

Front

What is net force?

Back

Net force is the overall force acting on an object after all the forces are combined.