Which of the following is an example of a push force?

A push force is characterized by exerting pressure away from oneself or an object, causing it to move away. Kicking a ball is a clear demonstration of a push force. When you kick the ball, your foot exerts force against the ball's surface, propelling it in a specific direction. This force originates from the contact between your foot and the ball, resulting in the ball moving away from you.

In contrast, pulling a drawer involves a different mechanism as you are drawing the drawer towards you. Lifting a box, while involving force, mostly acts vertically against gravity rather than pushing away. Dragging a backpack also entails pulling it along, with your force directed towards you, not away. Thus, kicking a ball exemplifies a definitive push force.