OpenStudy (anonymous):

Can someone explain this force problem to me between 3 boxes? Will draw

4 years ago
OpenStudy (anonymous):

A force of magnitude 7.5N pushes three boxes with masses m1=1.3 m2=3.2 m3=4.9 find the contact forces between boxes 1 and 2 and 2 and 3

4 years ago
OpenStudy (anonymous):

I know the solution I just dont understand how to draw the forces

4 years ago
OpenStudy (anonymous):

I dont get why its 7.5= a( m1+m2+m3)

4 years ago
OpenStudy (anonymous):

|dw:1373564386658:dw| why arent the forces like this to be more specific

4 years ago
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