US$ 39.99
where colored liquid in a U-shaped section shifts measurably as air blown through a constricted glass tube creates pressure differences
and multiply torque
5-inch Alnico bar pair
0 Type-B to Type-B cable connects data-logging sensors
sized for physics force experiments and balance calibration in classroom laboratory sessions
5-Piece Low-Friction Double-Tandem Plastic Pulley Set, 38 and 50mm Pack Size_6 where colored liquid in aFive pulley set of tandem 38mm 50mm low friction plastic pulleys on open sided frames, equipping a class for dual diameter compound pulley experiments without cord threading setup.
US$ 39.99
US$ 13.43
US$ 2150.00