Physics 104

Physics 104 - Physics 104 Chapter 1 Physics- the study of...

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Physics 104 Chapter 1 Physics- the study of material world and the rules that govern its behavior Skating- objects move when nothing is pushing them Falling balls- movement can be influenced by gravity Ramps- mechanical advantage and how gradual inclines make it possible to lift heavy objects without pushing them hard. SKATING: Gliding forward – inertia and coasting Aristotle- objects on the earth are never free of outside influences, instead they are pushed on, rub against, or interact with another in some way Galileo Galilei- if a person is stationary, they will remain stationary, if she is moving, she will continue moving, Inertia- steady motion (object in motion stays in motion, object at rest stays at rest) Newton’s first law- An object that is not subject to any outside forces moves at a constant velocity, covering equal distances in equal times along a straight line path Vector quantity-magnitude and direction (how much of the quantity there is, and which way it is pointing) 1) Position- specific point in space (distance and direction from a reference point) 2) Velocity- how quickly you position changes (traveling at a steady pace you
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Physics 104 - Physics 104 Chapter 1 Physics- the study of...

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