The Achilles tendon force Ft is mobilized when the man tries to stand on his toes. As this is done, each of his feet is subjected to a reactive force of Nt = 400 N. If the resultant moment produced by forces Ft and Nt about the ankle joint A is required to be zero, determine the magnitude of Ft.
![1325_determine the magnitude of Ft.jpg](https://secure.tutorsglobe.com/CMSImages/1325_determine the magnitude of Ft.jpg)