forces
Kathryn lane baldwin
Gravity
gravity is what pushes you down to earth.
Normal force
the force that supports you.
friction
friction works against motion
electrical forces
opposites attract and 2 of the same will repel.
push force, pull force, grip force
the push force lets you push something out of the way, the pull force lets you pull something out of the way, the grip force lets you grip something.