2. Calculate a gravitational torque of your upper body about the hip (M/L) axis. Assume your head, arms, and trunk (HAT) have mass equal to 0.679 of body mass. The center of gravity of your HAT acts at 62.6% up from the hip to the shoulder. angle is 20 degrees and mass is 250 lbs

Question

anonymous · Answer

can you do a draw please? English is not my main language so i'm having a bit of troubles imagining where is the center of the mass

anonymous · Answer

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anonymous · Answer

sorry i still cant understand the problem...
I'd like to help you but i can't see where the mass center is located on your body.

Anyway they say the mass center has 0.679 of your total mass (= 250lbs)
The mass you want on that point is 250*0.679