HELP PLZ Two forces are described below: Force 1: The upward force exerted by a chair on us when we sit on the chair Force 2: The force which prevents us from slipping when we walk on a smooth surface
Which statement is true about the forces?
Both are contact forces.
Both are non-contact forces.
Force 1 is a contact force and Force 2 is a non-contact force.
Force 1 is a non-contact force and Force 2 is a contact force.