Question

(a) Calculate the force exerted by the muscle and the compression force>on the fifth lumbar vertebra in Fig. 1.16. Use information provided in>the text. (b) Repeat the calculations in (a) for the case when the person>shown in Fig. 1.16 holds a 20-kg weight in his hand.>Here W1=320N> W2=260N>The height of man is 70 kg>The trunk is bent at the angle of 60 degree. Point A acts as fulcrum​

Answer 1

Explanation:

(a) Calculate the force exerted by the muscle and the compression force on the fifth lumbar vertebra in Fig. 1.16. Use information provided in the text. (b) Repeat the calculations in (a) for the case when the person shown in Fig. 1.16 holds a 20-kg weight in his hand.

W1= 320N

W2=160N

(a) Calculate the force exerted by the muscle and

Answer 2

Answer:

Fm=2000N

Fr=2200N

Explanation: