Compute the position of the persons center of gravity

Reference no: EM13332393

1) Matthew holds a 50 lbs dumbbell in his hand with his elbow flexed at 90 degrees. His forearm is parallel with the ground. The resultant distance from the dumbbell to his elbow is 28 cm.

a. What is the torque created by the dumbbell about the elbow joint?

b. If the weight is held still, and the moment arm of the biceps to the elbow is 2 cm, how much force is developed with the biceps?

2) A person lies on a balance board as shown in the figure below. The person weights 80 kg, and the scaleunder the person's feetreads 30 kg. Compute the position of the person's center of gravity (distance from the person's feet). The balance board is 180cm.

Reference no: EM13332393

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