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Warm Up March 5, 2013

Warm Up March 5, 2013. Some LMU students are riding on a float. One jumps up while the float is moving. Where does she land? Why ? A. In the place on the float from where she jumped

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Warm Up March 5, 2013

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  1. Warm Up March 5, 2013 • Some LMU students are riding on a float. One jumps up while the float is moving. Where does she land? Why? • A. In the place on the float from where she jumped • B. Closer to the front of the float than where she started • C. Closer to the back of the float than where she started

  2. Agenda • Warm Up • Review HW • 10.3 Notes • First Law Investigation Lab • Cool Down

  3. 10.3 Newton’s 1st and 2nd Laws • Sir Isaac Newton came up with 3 laws used to describe motion. • These form the foundation of Classical Physics. • Newton’s Law work well for describing motion of human-sized objects (not atoms or galaxies) near earth. • Einstein expanded on Newton’s laws and formed the foundation of Modern Physics

  4. The First Law • An object in motion will stay in straight-line motion and an object at rest will stay at rest unless acted on by an outside force. • Also called the Law of Inertia

  5. Inertia • Inertia is the tendency of an object to resist changes in motion. • Inertia depends on mass. More massive objects have more inertia.

  6. The Second Law • F= ma • The Second Law states that force depends on mass and acceleration

  7. Cool Down • Title: Inertia Circle Map • P. 392 #1a-c, #2a-c • 10.3 Vocabulary Booklet (1 word on p. 389) Homework

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