In FIGURE 11-47 we see the forces acting on a sprinter's foot just before she takes off at the start of the race. Find the magnitude of the force exerted on the heel by the Achilles tendon, FH, and the magnitude of the force exerted on the foot at the ankle joint, FJ.

Transcribed Image Text:

Fy 59.2° N = 223 N х 9.66 cm 4.25 cm