This is the question...You are holding a 5 lb. weight in yourarm stretched out a

Question

This is the question...You are holding a 5 lb. weight in yourarm stretched out and held horizontal. Calculate the torque about(a) the wrist (b) the elbow and (c) the shoulder, using your ownmeasurements.
* How would you measure the radius to calculate thetorque? This is the question...You are holding a 5 lb. weight in yourarm stretched out and held horizontal. Calculate the torque about(a) the wrist (b) the elbow and (c) the shoulder, using your ownmeasurements.
* How would you measure the radius to calculate thetorque?

Explanation / Answer

either you yourself, or someone else can measure the distance fromyour hand to your wrist to your elbow and finally to yourshoulder. A tape measure in centimeters would suffice (youcan later convert the measurements into meters). Next use theequation for torque which is: Force*unitarm (where force and unit arm are perpendicular to oneanother) unit arm would be the distances yo measured in the 3scenarios and force would simply be mg=5*9.8 or 49N for each trial.Hope that helps!

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