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How to calculate maximum load of the box

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hsji
#1
Mar17-14, 04:43 AM
P: 1
Hi I attached the file. there are 3 different types of forces applied.
and material's yield strength is 55.1 MPa or 8000 psi.
I want to find maximum load of box for each types.
I dont know which equation I can use. because the box is empty.
the dimension of box is
width: 70mm, length: 85mm, and height: 65mm.
and thickness of four sides 6mm and thickness of top and bottom is 10mm.
Which equation I can use for the three different types of forces applied
Attached Thumbnails
ddd.jpg  
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Simon Bridge
#2
Mar17-14, 07:03 AM
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Simon Bridge's Avatar
P: 12,475
"Maximum load" before what happens?

That it deforms plastically? (hint: use defnition of "yield strength")
Or something else?

Note: Each pic appears to show two boxes.


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