Compilation of notes; Study Guide
Compilation of notes; Study Guide PHYS 201
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This 2 page Study Guide was uploaded by Melissa on Monday October 12, 2015. The Study Guide belongs to PHYS 201 at University of Oregon taught by Taylor in Fall 2015. Since its upload, it has received 24 views.
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Date Created: 10/12/15
Physics Study Guide Motion Graphs Straight line on a pt graph indicates no movement and thus there will be no velocity or acceleration Sloped line on pt graph indicates velocity The slope of the pt graph is the line at which velocity should have a horizontal line If given a position versus time graph the slope of a line drawn tangent to a point on the curve of a graph descirbes instantaneous velocity On a pt graph a vertical line is physically impossible Acceleration Forc With acceleration velocity and time you can nd the direction of nal velocity magnitude of nal velocity and displacement Acceleration due to gravity is free fall acceleration When a ball rises and falls ball has constant acceleration upward at top and downward When there is no air resistance objects of different masses dropped from rest will fall with equal acceleration and equal displacement Acceleration will never equal zero in free fall If nonzero net force is acting on an object it will accelerate ls directly proportional to net external force on object and inversely proportional to mass Less mass something has the greater its acceleration When a car s velocity is negative and its acceleration is negative what is happening to the car s motion 0 Car is speeding up When a car s velocity is positive and acceleration is negative what is happening to the car s motion 0 Car slows down Ex Baseball catcher throws a ball vertically upward and catches it in the same spot At what point in the ball s path does it experience zero velocity and nonzero acceleration 0 At top of its path When there is no air resistance objects of different masses dropped from rest will fall with equal accelerations and with equal displacements When a ball is dropped it s initial velocity is typically Oms Causes objects to start and stop moving and change direction Length of a force vector represents the magnitude of the force o If nonzero net force is acting on an object then the object is accelerating o Newton s third law of motion involves the interactions of two obejects and two forces Acording to Newton s second law when the same force is applied to two objects of different masses the object with greater mass will experience a smaller acceleration and the object with less mass will experience a greater acceleration lnertia The tendency of an object to maintain its state of motion 0 When you are riding on a rollercoaster and go over a hill your bottom comes off the seat because you continue to move up as the roller coaster goes down aka INERTIA
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