Balanced vs. Unbalanced Forces

Front

What are balanced forces?

Back

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

Front

What are unbalanced forces?

Back

Unbalanced forces are forces that are not equal and opposite, causing an object to accelerate or change its motion.

Front

What happens to an object when balanced forces act on it?

Back

The object will stay still or move at a constant speed and direction.

Front

What happens to an object when unbalanced forces act on it?

Back

The object will accelerate, slow down, or change direction.

Front

If a marble rolls down a ramp, are the forces acting on it balanced or unbalanced?

Back

Unbalanced.

Front

What is the net force when two equal forces act in opposite directions?

Back

The net force is zero.

Front

If a girl pushes a cart with 7 N and a boy helps with 10 N, what is the total force?

Back

The total force is 17 N.

Front

What will happen to a cart if the total force acting on it is increased?

Back

The cart will speed up.

Front

If a plane experiences balanced forces, what will happen to its motion?

Back

The plane will fly at a constant speed and direction.

Front

What is an example of balanced forces in everyday life?

Back

A book resting on a table is an example of balanced forces.