When a person stands on tiptoe (a strenuous position), the position of the foot is gravitational force on the body, Fs, is supported by the force r exerted by the floor on the toes of one foot. A mechanical mode of the situation is shown in Figure, where T is the force exerted by the Achilles tendon on the foot and R is the force exerted by the tibia on the foot. Find the values of T, R, and u when Fg= 650 N. s as shown in Figure. The tota When a person stands on tiptoe (a strenuous position), theposition of the foot isgravitational force on the body, Fs, is supported by the force rexerted by the floor on the toes of one foot. A mechanical modeof the situation is shown in Figure, where T is the force exertedby the Achilles tendon on the foot and R is the force exerted bythe tibia on the foot. Find the values of T, R, and u when Fg=650 N.as shown in Figure. The total-AchillesTibiatendonR14cmcm

force in vertical direction∑Fx=0Rsin 16 - T sinθ=0Rsin 16= T sinθR=Tsinθsin 16 eqn1

When a person stands on tiptoe (a strenuous position), the position of the foot is as shown in Figure. The total gravitational force on the body, Fs, is supported by the force r exerted by the floor on the toes of one foot. A mechanical mode of the situation is shown in Figure, where T is the force exerted by the Achilles tendon on the foot and R is the force exerted by the tibia on the foot. Find the values of T, R, and u when Fg= 650 N.

When a person stands on tiptoe (a strenuous position), the position of the foot is as shown in Figure. The total gravitational force on the body, Fs, is supported by the force r exerted by the floor on the toes of one foot. A mechanical mode of the situation is shown in Figure, where T is the force exerted by the Achilles tendon on the foot and R is the force exerted by the tibia on the foot. Find the values of T, R, and u when Fg= 650 N.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.72P

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