You go shopping at Ikea and come home with the cabinet pictu

You go shopping at Ikea and come home with the cabinet pictured. You wish to hang it on your wall, but you have only two screws and are worried that they might not be strong enough.

1. Where should you attach the screws to the cabinet? Why?

2. What will the force on the screws be when the cabinet is loaded to capacity?

3. If you are screwing into a wall made of 3/8 inch wallboard, and you are using a 1/8 inch diameter polly fasteners , will it hold? How do you know? If they will not hold, how are they most likely to fail?

Solution

The no ways of possibilties to attach a screw are

Due to downward direction of total of mass there are two types of forces acting on which may fail for screw

More the load more depth of screw that should be used interms on inches.But to consider as factor of safety cabinet not to fall the maximum depth of screw must be used.