In a bicycle, the reciprocating motion of the rider´s legs is converted to rotational motion via a four bar mechanism that is formed by the two leg segments, the bicycle frame, and the crank.

Mechanism is Pas Normal Studios race-fit collection. Our man in Spain has just tried out their clothing for the cooler days.

A mechanism is a series of moving parts, working together to do a specific job. Both the bicycle and the toy car have wheel and axle mechanisms that help them to move. So, how does this work?

A woman who drove off with an angry cyclist on her car bonnet in Katong after an altercation between the pair claimed that she had done so as a “defence mechanism” to move away, her lawyer said in ...