• By kicking a football, its speed can be increased or decreased.
• A hockey stick is used to increase or decrease the speed of the hockey ball.
2. Forces can change the direction of movement of an object.
Examples• The direction of a ball can be changed by bouncing it on a wall.
• In cricket, a bat is used to change the direction of the ball.
3. Forces can Change the Size or Shape of the objects.
When two or more forces are applied to a solid object, they can cause the object to change their shape and size.
Examples• A rubber band can be stretched
• An empty can will change its shape on applying force on it.
• A sponge can be squeezed easily.