3-46. In a motion capture study of a runner, one frame shows the subject support- ing her weight on one leg, as shown in Fig. P3.46. The length of the foot Ankle 30° 60° y Knee Toes (a) During a motion capture study. segment (from ankle to toe) is 8 in. and the length of the lower leg (from ankle to knee) is 18 in. (a) Given the angles shown in Fig. P3.46(a), find the position of the knee if the runner's toes touch the ground at the point x = y = 0. (b) Now suppose that the same leg is positioned such that the knee is located in the second quadrant and oriented in the knee-down position (clockwise direction), as shown in Fig. P3.46. If the toes are located at P(x, y) = (-6.25 in., 25 in.), de- termine the values of 0₁ and 02. (-6.25, 25) Knee 0₂ Ankle y, in. Toes 0₁ (b) To find 0₁ and 0₂. x, in.

3-46. In a motion capture study of a runner, one frame shows the subject support- ing her weight on one leg, as shown in Fig. P3.46. The length of the foot Ankle 30° 60° y Knee Toes (a) During a motion capture study. segment (from ankle to toe) is 8 in. and the length of the lower leg (from ankle to knee) is 18 in. (a) Given the angles shown in Fig. P3.46(a), find the position of the knee if the runner's toes touch the ground at the point x = y = 0. (b) Now suppose that the same leg is positioned such that the knee is located in the second quadrant and oriented in the knee-down position (clockwise direction), as shown in Fig. P3.46. If the toes are located at P(x, y) = (-6.25 in., 25 in.), de- termine the values of 0₁ and 02. (-6.25, 25) Knee 0₂ Ankle y, in. Toes 0₁ (b) To find 0₁ and 0₂. x, in.

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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Forming and Shaping

Metal forming is a category of metalworking process through which the material can be given the desired shape and size by subjecting it to plastic deformation, where the component undergoes bulk deformation process upon application of loads. Unlike the shearing and machining process, the material does not undergo up to a failure point as indicated in the stress-strain curve. Hence, the stresses induced during the forming process are greater than yield strength but less than the failure strength of the material. The process does not lead to the loss of material, so it can be said to be an economical process. During forming, the material is subjected to tensile forces, compressive forces, bending, and shearing loading conditions. The material should possess the property of ductility to undergo the forming process.

Question

3.
3-46. In a motion capture study of a runner,
one frame shows the subject support-
ing her weight on one leg, as shown in
Fig. P3.46. The length of the foot
Ankle
30°
60°
. Knee
x
Toes
(a) During a motion capture study.
Figure P3.46 Position of the runner's leg.
segment (from ankle to toe) is 8 in. and
the length of the lower leg (from ankle
to knee) is 18 in.
(a) Given the angles shown in
Fig. P3.46(a), find the position of
the knee if the runner's toes touch
the ground at the point x = y = 0.
(b) Now suppose that the same leg is
positioned such that the knee is
located in the second quadrant and
oriented in the knee-down position
(clockwise direction), as shown in
Fig. P3.46. If the toes are located
at P(x, y) = (-6.25 in., 25 in.), de-
termine the values of 0₁ and 0₂.
(-6.25, 25) Knee
19₂
Ankle
y, in.
Toes
0₁
(b) To find 0₁ and 0₂.
x, in.

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