Simple Machines Wheel and Axle Model Class_Class B demonstrating how a clutch connects

demonstrating how a clutch connects and disconnects rotational drive power in automotive and industrial systems

this Brownlee-pattern apparatus gives a clean visual proof of the 2:1 stoichiometry of water decomposition

and copper supports density

the shared mass isolating volume and density as the distinguishing variables across metals and polymers

this enhanced optical bench set ships with a lamp housing and a matched complement of optical components

Simple Machines Wheel and Axle Model Class_Class B demonstrating how a clutch connectsWooden wheel and axle simple machine model on a 9. 5x3. 375 inch base, demonstrating how a crane lifts loads through the mechanical advantage of a large wheel turning a small axle.