Chairs withstand mainly load forces applied vertically downwards when someone sits on the chair. It is important to note however that a chair also incurs forces acting in different directions e.g.. spreading forces, twisting forces, lateral forces, etc.
Drawers will be opened and closed regularly and therefore it is important to choose a joint which will withstand a pulling force with ease There are many ways of dong this, some hidden some shown, decorative, simple etc. Choosing the correct joint for a drawer will determine the longevity of the project.
The main force tables are subjected to is a vertical load. Tables are subjected to items placed on top of them and the force being applied downwards. There is also a spreading force on the legs that must be accounted for. It is vital to understand how the forces will affect the project.