Question

to move the oil drum, the resultant of the three forces shown must have a magnitude of 500 N determine the magnitude and direction of the smallest force F would cause the drum to move

Answer 1

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Answer 2

Answer:

Solution: Let us first add up the the two forces

already defined,i.e. 250N( (250\mathbfj

)(250\mathbfj) ) and 300N( (300cos(25)\mathbfi−300sin(25)\mathbfj)(300cos(25)\mathbfi−300sin⁡(25)\mathbfj) ), Resultant of two forces, R=250\mathbfj+(300cos(25)\mathbfi−300sin(25)\mathbfj)R=250\mathbfj+(300cos(25)\mathbfi−300sin⁡(25)\mathbfj) =271.8923\mathbfi−123.2145\mathbfj=298.5084<24.3788o=271.8923\mathbfi−123.2145\mathbfj=298.5084<24.3788o F...

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