Question

Suppose the hand shown in (Figure 1) holds an 8.9-kg mass. The total mass of the arm is 3.3 kg. What force, FM, is required of the deltoid muscle, assuming the mass is 52 cm from the shoulder joint?

So ive tried this problem multiple times but i'm not getting the correct answer,

Answer 1

gvhgjkl;;

Answer 2

78