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Applied Mechanics - Engineering

Q1:

Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by

A its longer side"

B its shorter side"

C the diagonal of the parallelogram which does not pass through the point of intersection of the forces"

D the diagonal of the parallelogram which passes through the point of intersection of the forces"

E half the sum of the diagonals".

ANS:D - the diagonal of the parallelogram which passes through the point of intersection of the forces"

P & Q are the two adjacent forces.

R is the resultant (it is the diagonal of a parallelogram).