Work energy review - printable version, Work and energy review . part a: forced choice questions. 1. which of the following statements are true about work? include all that apply. work is a form of energy.. Bicycle brake - wikipedia, Duck brake. invented in 1897, the duck brake or duck roller brake used a rod operated by a lever on the handlebar to pull twin friction rollers (usually made of wood. Transforming energy - science netlinks, Tell students that the potential energy of an object can be more or less depending on its position. provide them with other examples, such as a roller coaster or car.