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Oscillations AP Physics 1

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Section 1

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other derived equations

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Physics

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Last updated

7 years ago

Date created

Mar 1, 2020

Cards (11)

Section 1

(11 cards)

other derived equations

Front

-v = -Awsinwt -a= -Aw^2coswt

Back

Oscillator

Front

-object/variable can move back and forth, increase/decrease, go up and down over and over -mass on a string, pendulum -has restoring force

Back

frequency

Front

-F=number of cycles/number of seconds -F=1/T -f= 1/2pi square root k/m

Back

Simple harmonic motion

Front

-displacement proportional to restoring force, pull back 2x far get 2x restoring force -described by sine and cosine -FORCE IS NOT PROPORTIONAL TO VELOCITY/SPEED -how can there be a force when there is no velocity? -repetitive motion when a restorative force acting on an object it proportional to its displacement

Back

stored energy of spring

Front

-Us = ½ F x -Us = ½ k x^2

Back

pendulum

Front

-T=2pi square root of L/g

Back

period

Front

-T= number seconds / number of cycles -T=1/f -T= 2 pi square root mass / k

Back

arrangement of spring

Front

-Keq = k1x + k2x -keq = (1/K1 + 1/K2)^-1

Back

graphs

Front

-position = Acos(wt) -w= 2pi/T cause w = delta theta / change in t -sin graph with time vs position -cos graph of time vs. v --sin graph of time vs. acceleration/force -sin^2 graph of time vs. Ug -cos^2 graph of time vs. K

Back

Restorative Force

Front

-try restore object to equilibrium position -F=-kx -direction opposite to applied force

Back

angular velocity

Front

-w=2pif

Back