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(4) Two kids (200 N each) are balanced on a seesaw. Plane a-a (containing Point A) is just left of the pin support. Plane b-b (containing Point B) is just right of the pin support. Illustrate the combined state of stress at Point A and at Point B on the two stress cubes below. (Yes, compute values, of course.) Ans. 214 kPa 1.2 m 1.2m y 200 N GIVEN: Iy=2.488 E6 mm Iz=0.9338 E6 mm 4 12 14 14 -A SEESAW 12 alib ||| 11 191 12 33 y 33 200N Points A & B 6 dims. in mm

(4) Two kids (200 N each) are balanced on a seesaw. Plane a-a (containing Point A) is just left of the pin support. Plane b-b (containing Point B) is just right of the pin support. Illustrate the combined state of stress at Point A and at Point B on the two stress cubes below. (Yes, compute values, of course.) Ans. 214 kPa 1.2 m 1.2m y 200 N GIVEN: Iy=2.488 E6 mm Iz=0.9338 E6 mm 4 12 14 14 -A SEESAW 12 alib ||| 11 191 12 33 y 33 200N Points A & B 6 dims. in mm

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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(4) Two kids (200 N each) are balanced on a seesaw. Plane a-a (containing Point A) is just left of the pin support. Plane b-b (containing Point B) is just right of the pin support. Illustrate the combined state of stress at Point A and at Point B on the two stress cubes below. (Yes, compute values, of course.) Ans. 214 kPa 1.2m 1.2m Point A (on plane a-a): x y ^y 4 200 N A SEESAW GIVEN: Iy= 2.488 E6 mm 4 I₂0.9338 E6 mm 4 12 14 14 12 N 12 ib 33 лу 33 x 2000 Points A&B dims. in mm Point B (on plane b-b): ^y ------ NA x ----- N
Transcribed Image Text:(4) Two kids (200 N each) are balanced on a seesaw. Plane a-a (containing Point A) is just left of the pin support. Plane b-b (containing Point B) is just right of the pin support. Illustrate the combined state of stress at Point A and at Point B on the two stress cubes below. (Yes, compute values, of course.) Ans. 214 kPa 1.2m 1.2m Point A (on plane a-a): x y ^y 4 200 N A SEESAW GIVEN: Iy= 2.488 E6 mm 4 I₂0.9338 E6 mm 4 12 14 14 12 N 12 ib 33 лу 33 x 2000 Points A&B dims. in mm Point B (on plane b-b): ^y ------ NA x ----- N
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