When an object moves extremely fast—close to the speed of light—certain basic assumptions that we take for granted no longer ...

Rotary Rotary is where objects or components move in a circular path or spin around a central point. Linear motion Linear motion refers to the movement of an object in a straight-line path.

A wheel is a round, flat object made of a hard material ... So, how does this work? A wheel moves forward by rolling in a circle, using circular motion. Whoops! To create a wheel and axle ...