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Equilibrium Question

by VanKwisH
Tags: equilibrium
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VanKwisH
#1
Feb3-08, 05:42 PM
P: 108
1. The problem statement, all variables and given/known data
A door 2.3m high and 1.3m wide, has a mass of 13.0kg. A hinge 0.4m from the top and another hinge 0.4m from the bottom each support has the doors weight. Assume that the center of gravity at the geometrical center of the door, and determine the horizontal and vertical force components exerted by each hinge on the door.


2. Relevant equations



3. The attempt at a solution
I made a picture of what it should look like ............
[img=http://img82.imageshack.us/img82/5474/91305910xw5.th.png]
I have Fg of the door which is
Fg = 13 * 9.8
= 127.4N
and I know that the forces of the hinges are equal but what do i do in order to solve it
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