Oliver Davis——Works at the International Criminal Police Organization (INTERPOL), Lives in Lyon, France.
A wheel and axle is one of the six simple machines. The wheel and axle work together to make one simple machine. A round water faucet knob is one example of a wheel and axle. The round knob is the wheel.read more >>
QuesHub is a place where questions meet answers, it is more authentic than Quora, but you still need to discern the answers provided by the respondents.