Question: Work Analysis and Design Suppose that an operator carries a 50kg item. The distance between his back spine and the weight is 50cm, and the

Work Analysis and Design

Work Analysis and Design Suppose that an operator

Suppose that an operator carries a 50kg item. The distance between his back spine and the weight is 50cm, and the distance between the back muscle and the spine is 2cm. Answer the following questions. (15 points) 12 cm 50 = L5/S1 cm 50kg a) Draw a diagram that depicts the biomechanics of the first lever system for this problem (5 points) b) Estimate the muscle's pulling force Fm (Kg) on his back. (5 points) c) Estimate the force exerted on the spinal disk Fcomp (Kg). (5 points)

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