Push

The video tutorial explains the concept of push, a force that moves objects by pressing on them. It highlights how push is integral to various activities, from riding a bike to dribbling a basketball. The tutorial introduces the normal force, which is the force exerted by surfaces to support the weight of an object. Examples include walking, swimming, and using tools. The video concludes with a thought exercise about whether an animal lying down is being pushed or pulled.

Explain the concept of normal force as mentioned in the program.

When an animal lies down on the ground, are they being pushed or pulled? Discuss your thoughts.