In the figure,the horizontal lower arm has a mass of 2.8 kg and its center of gravity is 12 cm from the elbow joint pivot.How much force F_M must the vertical extensor muscle in the upper arm exert on the lower arm to hold a 7.5 kg shot put? A)100 N B)500 N C)750 N D)1000 N E)1500 N

Question

Quizplus · Accepted Answer

The Answer of In the figure,the horizontal lower arm has a mass of 2.8 kg and its center of gravity is 12 cm from the elbow joint pivot.How much force F_M must the vertical extensor muscle in the upper arm exert on the lower arm to hold a 7.5 kg shot put? A)100 N B)500 N C)750 N D)1000 N E)1500 N

In the Figure,the Horizontal Lower Arm Has a Mass of 2.8