

Applied Mechanics - Engineering
Q1: If two forces P and Q (P > Q) act on the same straight line but in opposite direction, their resultant, isA
P + Q
B
P/Q
C
Q/P
D
P - Q
E
Q - P.
ANS:D - P - Q p^2+q^2+2pqcos(angle) = r^2 here angle = 180 cos180 = (-1) so r=p-q. |


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