Statics Door Hinge Problem

Open and close the door to verify that the oil gets all the way to the bottom part of the hinge pin.

Statics door hinge problem.

Homework statement door weighs 20kg and is held open by force p at doorknob opposing 15kg weight attached at c and wrapped around pulley. Forces on door hinges. This is a typical problem in statics and mechanics. Now lubricate the hinges with oil and add some drops at the top of the raised pin.

A swinging door that weighs. Find torques on hinges a b b homework equations p is 118 8n in k direction which agrees with answer in. The hinges are placed symmetrically at the door s edge in such a way that the door s weight is evenly. Squeaky hinges using a nail insert it beneath the hinge pins and push them halfway up.

The door has a width of. This is an example problem showing how to calculate support reactions for a beam with a hinge. Neglect the weights of the members. We have hinges to thank for our doors ability to open and close.

Is supported by hinges a and b so that the door can swing about a vertical axis passing through the hinges. Problem 451 the frame shown in figure p 451 is hinged at e and roller supported at a. And the door slab has a uniform mass density. Luckily most hinge issues have simple fixes.

Theta is 90 degrees so door is on x axis.