Net Positive or Negative Force

Two forces can add or subtract to the net force when the forces act on each other.  Forces in the same direction working togeather equal a net force.

 

Net Positive or Negative Force formulas
\(\large{ F_n = F_1  +  F_2 }\) \(\large{ F_n = F_1 -  F_2 }\)
Symbol	English	Metric
\(\large{ F_n }\) = net force	\(\large{ lbf }\)	\(\large{N}\)
\(\large{ F_1 }\) = force 1	\(\large{ lbf }\)	\(\large{N}\)
\(\large{ F_2 }\) = force 2	\(\large{ lbf }\)	\(\large{N}\)