Question

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.

Answer 1

Both are non-contact forces.

Answer 2

I believe those are both non-contact forces bc it's not something physical