Engineering Mechanics
The resolved part of the resultant of two forces inclined at an angle 'θ' in a given direction is equal to

The sum of the forces multiplied by the sine of θ
The difference of the forces multiplied by the cosine of θ
The algebraic sum of the resolved parts of the forces in the given direction
The sum of the resolved parts of the forces in the given direction

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Engineering Mechanics
The moment of a force

All of these
Is equal to twice the area of the triangle, whose base is the line representing the force and whose vertex is the point, about which the moment is taken
Is equal to the product of force acting on the body and the perpendicular distance of a point and the line of action of the force
Is the turning effect produced by a force, on the body, on which it acts

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