Eat Ice Cream W h leg An advertisement can be modelled as a thin plate with uniform density distribution, p=602 f the supporting wire at 5 suddenly snaps, what is the angular acceleration of the advertisement and the reaction forces at A at that instant? The sign has a width 4m and a height h=2 m. Force directions should match the x and y directions on the image Az = N

Eat Ice Cream W h leg An advertisement can be modelled as a thin plate with uniform density distribution, p=602 f the supporting wire at 5 suddenly snaps, what is the angular acceleration of the advertisement and the reaction forces at A at that instant? The sign has a width 4m and a height h=2 m. Force directions should match the x and y directions on the image Az = N

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The figure shows a person wearing weight boots and doing lower leg flexion/extension exercise in a sitting position to strengthen the quadriceps muscles and a simple mechanical model of his leg. W1 is the weight of the lower leg, W0 is the weight of the boot, the magnitude of the pulling force applied to the tibia by the quadriceps muscles through the FM patellar tendon, the magnitude of the reaction force acting on the FJ tibiofemoral joint. Point O is the center of the tibiofemoral joint, point A is the point where the patellar tendon attaches to the tibia, point B is the center of gravity of the lower leg, point C is the center of gravity of the weight boot. The distances between point O and points A, B and C were measured as a=12 cm, b=24 cm and c=36 cm, respectively. The angle that the long axis of the tibia makes with the horizontal is β=39°, the angle between the line of action of the quadriceps muscle strength and the long axis of the tibia is α=16°. Points O, A, B and C lie…
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