PULLEY KIT The kit includes a unique pulley - the Weston Differential pulley to show how two different size sheaves on one pulley has a dramatic effect on mechanical advantage. The kit introduces students to key engineering terms such as machine efficiency, velocity ratio and ‘work done’. This kit also includes a wheel and axle with single, double and triple wheel or ‘sheave’ pulleys for experiments in mechanical advantage. Students test fixed, movable and compound pulleys attached to load and effort weights to test their mechanical advantage. This versatile kit is part of a series that allows many experiments using different arrangements of their parts. Students, teachers or lecturers fit the parts of the kit to theWork Panel (ES1) (supplied separately) to study or show an engineering science topic. Supplies a CD-ROM with the Work Panel (ES1). It includes all the worksheets, guidance notes and lecturer notes (with answers) needed for typical experiments with each kit. The selection of parts in the kits and the choice of fixing points on the Work Panel means that teachers or lecturers may extend the experiments to an even greater range. LEARNING OUTCOMES • Simple Pulleys - fixed, movable and compound • The Wheel and Axle • The Weston Differential Pulley
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