Hewitt Drew It Physics 45 Gravity - Detailed Analysis
Phil Physiker contrasts mg with and without a support force. Paul enlists Nellie Newton to illustrate Newton's three laws of motion. Bullseye Bob drops a bullet while firing another horizontally, then analyzed in Paul's televised classroom, followed up with vertical ... Paul distinguishes circular and elliptical orbits with force vectors for each. Torques on horizontal planks, taking center of Paul investigates the forces that act on Nellie Newton in an elevator.
Paul shows how a satellite's orbital speed in close Earth orbit relates to Earth's curvature. We drop in on Paul's class as he discusses the concept of torque. Piston arrangements and examples of multiplying forces. Paul extends a televised classroom lecture on vectors to explain the resultant velocities of airplanes in wind.
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