Simple machines vector illustration. Labeled physics basics collection set. Pulley, lever, wedge, inclined plane, screw, wheel and axle explanations. Educational mechanical use of force mechanisms.

pre-reqs: trig Think of the following two things. Temperature and wind speed. These are two different things that you could measure, but there is one big difference. Wind speed has two parts to it - ...

Abstract: Sir Isaac Newton, one of the greatest scientists and mathematicians of all time, introduced the notion of a vector to define the existence of gravitational forces, the motion of the planets ...