The weight of the leg below the knee is 44.5 N, with the center of gravity located below the knee joint. The leg is being held in this position because of the force M applied by the quadriceps muscle, which is attached 0.100 m below the knee joint (see the drawing). Obtain the magnitude of M. Mi Knee joint 25.0° 0.100 m x cg 0.150 m 30.0°

College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter9: Statics And Torque
Section: Chapter Questions
Problem 9PE: A person carries a plank of wood 2.00 m long with one hand pushing down on it at one end with a...
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* A person is sitting with one
leg outstretched and stationary,
so that it makes an angle of 30.08 with
the horizontal, as the drawing indicates.

The weight of the leg below the knee is 44.5 N, with the center of gravity
located below the knee joint. The leg is being held in this position because
of the force M applied by the quadriceps muscle, which is attached 0.100 m
below the knee joint (see the drawing). Obtain the magnitude of M.
Mi
Knee joint
25.0°
0.100 m x
cg
0.150 m
30.0°
Transcribed Image Text:The weight of the leg below the knee is 44.5 N, with the center of gravity located below the knee joint. The leg is being held in this position because of the force M applied by the quadriceps muscle, which is attached 0.100 m below the knee joint (see the drawing). Obtain the magnitude of M. Mi Knee joint 25.0° 0.100 m x cg 0.150 m 30.0°
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