Balanced forces keep this boy in place on his chair. What
are the two equal and opposite forces occurring here?
INILULU
© 2014 K. Wright

While the boy is sitting on the chair it creates a force downward on the chair and therefore the chair takes it and gives off the equal amount of force. So while he is putting force downward the chair is putting the same force upward.

mistakes are ok

scientific laws are the result of testing theories and proving them to be facts.