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Unformatted text preview: 1 Physics 231 General University Physics Lecture 33 Lecture 9 1 Last Meeting Gravity Conservation of Mechanical Energy Satellite Motion Black Holes Lecture 9 2 Today Oscillatory Motion Kinematics Lecture 9 3 Oscillation Motion Demo: Weight on Hanging Spring Demo: Pendulum Demo: Ball on Undulating Slide Oscillation about Equilibrium Position Motion is periodic Lecture 9 4 Period (T) Lecture 9 5 Simple Harmonic Motion (SHM) and Circular Motion Demo: Shadow of Ball Rotation on Wheel Relationship between SHM and circular motion As the ball rotates with constant angular velocity, its shadow moves back and forth in Simple Harmonic Motion 2 Lecture 9 6 Lecture 9 7 Simple Harmonic Motion Demo: Weight on Spring LD: (CC1B-37) Kinematics of SHM Lecture 9 8 SHM Kinematics Recall that velocity is slope of tangent to x versus t curve dt dx v = Lecture 9 9 Lecture 9 10 Simple Harmonic Motion Graphical Representation x ( t ) = A cos ( wt + f ) A , w , are all constants A is the amplitude of the motion Maximum position of the particle w is the...
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