The leg and cast in Figure P4.18 weighs 220N(w1).Determine w2 and the angle 'a' needed so that no forceis exerted in the hip joint by the leg plus cast. w3=110N withangle of 40 degrees to the horizontal.

Amari Flowers

Amari Flowers

Answered question

2021-02-17

The leg and cast in Figure P4.18 weighs 220N(w1).Determine w2 and the angle a needed so that no forceis exerted in the hip joint by the leg plus cast. w3=110N withangle of 40 degrees to the horizontal.

Answer & Explanation

Mayme

Mayme

Skilled2021-02-19Added 103 answers

Taking the x-direction we get
Fx= 0
then w2cosa=110Ncos40........(1)
Taking the y-direction we get
Fy=0
then w2sina=220N110Nsin40........(2)
Dividing(2) / (1) we get
angle a = 61
From any of the equation we canget the weight w2 = 170N

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