Balanced and 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 accelerate or change its motion.

Front

Example of balanced forces: A book resting on a table. What happens to the book?

Back

The book stays at rest because the forces acting on it are balanced.

Front

Example of unbalanced forces: A car accelerating. What happens to the car?

Back

The car speeds up because the forces acting on it are unbalanced.

Front

What happens when balanced forces act on an object?

Back

The object remains at rest or continues to move at a constant speed.

Front

What happens when unbalanced forces act on an object?

Back

The object will start to move, stop moving, or change direction.

Front

What is an example of unbalanced forces in sports?

Back

A runner jumping over a hurdle is an example of unbalanced forces.

Front

What is an example of balanced forces in everyday life?

Back

A notebook sitting on a shelf is an example of balanced forces.

Front

How do balanced forces affect motion?

Back

Balanced forces do not change the motion of an object.

Front

How do unbalanced forces affect motion?

Back

Unbalanced forces cause a change in the motion of an object.