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LECTURE 25
questions before lecture
think about these
- In an elevator, you feel something different in terms of weight when you accelerate up or down, from when you travel at a constant velocity between the starting and stopping accelerations. Describe that feeling.
- What do you weigh if you are in free fall?
- What is the shortest route between two places on the earth called? Airplanes follow this path.
- What does the spacetime worldline for acceleration look like?
- Define kinematics and dynamics.
- State Galileo's Principle of Inertia, then Newton's First Law.
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Please email any questions, comments, or suggestions to
Professor Bernice Durand, bdurand@theory3.physics.wisc.edu.
Revised October 23, 1997.
Content © 1997, Bernice Durand
Images and layout © 1997, Shane Hamilton
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