odified book exercise: Vector Mechanics for Engineers: Statics and Dynamics (8th Edition) chapter 4 and exercise 12 Four boxes are placed on a 17,7 kg uniform wooden plank that rests on two trestles. Knowing that the masses of boxes B and D are 2.5 kg and 32 kg, determine, respectively, the range of values ​​for the mass of box A so that the plate remains in equilibrium when box C is removed

Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter8: Applications Of Plane Stress (pressure Vessels, Beams, And Combined Loadings)
Section: Chapter Questions
Problem 8.5.11P: The hollow drill pipe for an oil well (sec figure) is 6,2 in. in outer diameter and 0.75 in. in...
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modified book exercise: Vector Mechanics for Engineers: Statics and Dynamics (8th Edition) chapter 4 and exercise 12

Four boxes are placed on a 17,7 kg uniform wooden plank that rests on two trestles. Knowing that the masses of boxes B and D are 2.5 kg and 32 kg, determine, respectively, the range of values ​​for the mass of box A so that the plate remains in equilibrium when box C is removed.

answer 1 2 kg found ≤ma ≤ 196.4kg( I don't know if this is correct)

-1,5 m–
-1,6 m-
0,6 m 0,5 m
ID
B,
E
G
F
1 m
m
Transcribed Image Text:-1,5 m– -1,6 m- 0,6 m 0,5 m ID B, E G F 1 m m
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