Balanced and unbalanced forces

Front

What are balanced forces?

Back

Balanced forces are forces that are equal in size but opposite in direction. They do not cause a change in motion.

Front

What are unbalanced forces?

Back

Unbalanced forces are forces that are not equal in size or direction. They cause an object to start moving, stop moving, or change direction.

Front

What happens to a golf ball sitting on the grass?

Back

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

Front

What happens when a baseball bat swings?

Back

The forces are unbalanced, causing the bat to move.

Front

If a ball is rolling and a force pushes it in the same direction, what happens?

Back

The ball moves faster in the same direction it was moving.

Front

What is an example of balanced forces in everyday life?

Back

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

Front

What is an example of unbalanced forces in everyday life?

Back

A car accelerating is an example of unbalanced 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.

Front

What is the effect of gravity on a falling object?

Back

Gravity is an unbalanced force that causes the object to accelerate downwards.