The small crane is mounted along the side of a pickup bed and facilitates the handling of heavy loads. When the boom elevation angle is 0 = 37°, the force in the hydraulic cylinder BC is 4.1 kN, and this force applied at point C is in the direction from B to C (the cylinder is in compression). Determine the moment of this 4.1-kN force about the boom pivot point O. The moment is positive if counterclockwise, negative if clockwise. 610 mm 105 mm 285 mm 345 mm

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British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.