Hewitt Drew It Physics 39 Torque - Detailed Analysis
We drop in on Paul's class as he discusses the concept of We drop in on Paul's class as he discusses balanced metersticks and seesaws. Conservation of angular momentum, with examples, including Paul in the classroom, are examined. Paul shows how a simple lever lifts a load, and how Nellie Newton lifts loads with a pulley systems. Paul talks about centripetal force, banked curves and tangential velocity. A video of Paul in the classroom is followed up with a discussion of force, mass, and the acceleration of freely-falling rocks.
The law of reflection is extended to intriguing examples. Paul talks about centrifugal force using bicycle tires, ants and other examples. The similarities and differences between electric and hydraulic circuits. Paul extends a televised classroom lecture on vectors to explain the resultant velocities of airplanes in wind.
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