If two forces P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, is-A-P + QB-P/QC-Q/PD-P QE-Q P.-D-P Q

Question

If two forces P and Q (P &gt; Q) act on the same straight line but in opposite direction, their resultant, is-A-P + QB-P/QC-Q/PD-P QE-Q P.-D-P Q

APTITUDE CRACK · Accepted Answer

D P Q p^2+q^2+2pqcos(angle) = r^2 here angle = 180 cos180 = ( 1) so r=p q.

Applied Mechanics