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2. Bones and Muscles. A patient in therapy has a forearm that weighs -20.5Nj and that lifts a -112.0Nj weight. These two forces have direction vertically downward. the only other significant forces on his forearm come from the biceps muscle (which acts perpendicularly to the forearm) and the force at the elbow. If the biceps produces a pull of 232 N when the forearm is raised above 43° the horizontal, find the magnitude and direction of the force that the elbow exerts on the forearm. (The sum of the elbow force and the biceps force must balance the weight of the arm and the weight it is carrying, so their vector sum must be 132.5 N, upward.) Vector addition Given the following vectors: A = 10mi+20m 2 Ż=mi + mj G=55.2m, 45 South of West L= 10m, 85° East of South and compute for the x- and y- components and the angle of the Draw the graphical representation following resultant vectors: 3. R=A+G 4. P=Z+L 5. F=A+L+G+L 6. S=P-F

2. Bones and Muscles. A patient in therapy has a forearm that weighs -20.5Nj and that lifts a -112.0Nj weight. These two forces have direction vertically downward. the only other significant forces on his forearm come from the biceps muscle (which acts perpendicularly to the forearm) and the force at the elbow. If the biceps produces a pull of 232 N when the forearm is raised above 43° the horizontal, find the magnitude and direction of the force that the elbow exerts on the forearm. (The sum of the elbow force and the biceps force must balance the weight of the arm and the weight it is carrying, so their vector sum must be 132.5 N, upward.) Vector addition Given the following vectors: A = 10mi+20m 2 Ż=mi + mj G=55.2m, 45 South of West L= 10m, 85° East of South and compute for the x- and y- components and the angle of the Draw the graphical representation following resultant vectors: 3. R=A+G 4. P=Z+L 5. F=A+L+G+L 6. S=P-F

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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2. Bones and Muscles. A patient in therapy has a forearm that weighs -20.5Nj and that lifts a -112.0Nj weight. These two forces have direction vertically downward. the only other significant forces on his forearm come from the biceps muscle (which acts perpendicularly to the forearm) and the force at the elbow. If the biceps produces a pull of 232 N when the forearm is raised above 43° the horizontal, find the magnitude and direction of the force that the elbow exerts on the forearm. (The sum of the elbow force and the biceps force must balance the weight of the arm and the weight it is carrying, so their vector sum must be 132.5 N, upward.) Vector addition Given the following vectors: A = 10mi+20m3 2 55.2m, 45° South of West Ľ = 10m, 85° East of South Draw the graphical representation and compute for the x- and y- components and the angle of the following resultant vectors: 3. R=A+G 4. P = Z + L 5. F=A+L+G+L 6. S=P-F
Transcribed Image Text:2. Bones and Muscles. A patient in therapy has a forearm that weighs -20.5Nj and that lifts a -112.0Nj weight. These two forces have direction vertically downward. the only other significant forces on his forearm come from the biceps muscle (which acts perpendicularly to the forearm) and the force at the elbow. If the biceps produces a pull of 232 N when the forearm is raised above 43° the horizontal, find the magnitude and direction of the force that the elbow exerts on the forearm. (The sum of the elbow force and the biceps force must balance the weight of the arm and the weight it is carrying, so their vector sum must be 132.5 N, upward.) Vector addition Given the following vectors: A = 10mi+20m3 2 55.2m, 45° South of West Ľ = 10m, 85° East of South Draw the graphical representation and compute for the x- and y- components and the angle of the following resultant vectors: 3. R=A+G 4. P = Z + L 5. F=A+L+G+L 6. S=P-F
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