https/ ing 10.13 previous 18 of 19 Inext and the angle 8 are given. Find the ten

Question

https/ ing 10.13 previous 18 of 19 Inext and the angle 8 are given. Find the tension T in he tendon and the two (B, and E) at the elbow (three unknown the veclor sum of the forces is zero. To check our answer, we can compute X &andy;,to verify that they really are zero. Sch ies in all), Ignore the weight of the itself. Evakuate your results for -50 N. d-0.10 m, 1=0.50 m. and 0-80° -200 N + (250 N)sin80,-50 N = 0 the point for REFLECT Noticé how calculating torques so as to elfiminate one or more of the orque about point B, thus, when the torques of T, and Ty are computed separately, they must add to zero much we have simplified these calculations by using a litle ingenuity ir Tendon actually inserts close to Part A - Practice Problem: Double the weight of the dumbbell. What is the new tension T in the tendon connected to the biceps muscle at point B here for

Explanation / Answer

given w = 100 N

d = 0.1 m

l = 0.5 m

theta = 80 deg

A. so let tension in the muscle be T

then from moment balance about the elbow

Tsin(theta)*d = w*l

T = w*l/d*sin(theta) = 100*0.5/0.1*sin(80) = 507.7133 N

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