Hall's Friction Car Class_Class B pairing a fixed 12V AC

pairing a fixed 12V AC line with a continuously variable 0 to 12V DC line at 5A each

demonstrating mechanical-to-electrical energy conversion as the crank lights the bulb

Compact metal-box convection demonstrator at 10 by 4 by 3 inches with two glass chimneys

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

Mounted nervous system overview traces brain

Hall's Friction Car Class_Class B pairing a fixed 12V ACMolded in one piece with sleeve bearing wheels, a central mass well, and a removable cord post, this Hall's car supports dynamics work on inclined planes with weights and pulleys.