Mechanical Powers

Mechanical Powers are the six elementary parts of machines. There are Three Primary Powers and Three Secondary Powers.

PRIMARY MECHANICAL POWERS:

• Lever
• Inclined Plane
• Pulley

SECONDARY MECHANICAL POWERS:

• Wheel and Axle
• Wedge
• Screw

Compound Interest

In design work, there is a business side of things that depends on loans and investments.  There is also a business side of things where people invest different amounts for different periods of time in helping you — and you might have to figure out their share of things in the future.

There is also the idea of inflation and cost of living — as you have to design to a cost, a budget, you have to sometimes predict the future costs involved.

This is a small introduction to the basics of compound interest, included here in the hope that it may help.

Flow Rate Calculations

This is  a technical article on calculations pertaining to volume and mass flow rates of fluids.