15.2 REACTIONS AND SUPPORTS

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À  p

These symbols are very important to engineers. Their equivalent is the symbols for resistors, transistors, etc in electrical engineering. They are a way to talk about systems in general terms before investing time and resources designing and building the system.

A subset of these symbols are,

Other joints include

- spring

- rod on a smooth surface

- rod on a rough surface

- pin supports

- beams cemented into walls (fixed support)

- ball (3D)

- ball socket

- universal joint

- hinge

- collar and shaft

******* NOTE: Add more on support reactions