Homework Answers
Given that:
Torque provided by the carton mg times the total distance
Fc = mg * (0.25 + 0.08)
m= 1.80 kg
Fb = torque provided by biceps which is perpendicular force times the radius
Fb = Fc
mg (0.25 + 0.08) = Fcos (theta) * 0.08
1.80 * 9.8 * 0.33 = F cos (75) * 0.08
5.8212 = F * 0.25 * 0.08
F = 291.06 N
note : image was not available so i copied the image address on google , so i m not sure about the numerial values ( i.e distances). But method used here is correct.
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