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Kick the Ball! Forces at Play How much is the net force when the
forces are balanced?
When the forces are balanced, they
can cancel each other out, and thus,
Balanced forces at work: When a the net force is zero.
goalkeeper catches a ball coming toward
him (yellow arrow), he pushes back at
the ball with the same force (red arrow).
The ball stops moving because two
forces of the same strength are acting in
opposite directions.
Sometimes the different forces acting on a ball are
balanced. Balanced forces are those that are the same
strength but act in opposite directions. Balanced forces
do not cause changes in a ball’s motion. Balanced forces
can cancel each other out, and thus, the net force is zero.
Unit 7 | Kick the Ball! Forces at Play
