Question: A door is construct of a thin homogenous slab of material: it has a width of 1m. If the door is opened through 90o, it

A door is construct of a thin homogenous slab of material: it has a width of 1m. If the door is opened through 90o, it is found that on release it closes itself in 2s. Assume that the hinges are frictionless, and show that the line of hinges must make an angle of approximately 3o with the vertical.

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2 h We let x3 be the vertical axis in the fixed system This would be the axis ie the hinge line of the door if it were properly hung no selfrotation a... View full answer

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