'Horizontal surface' diaporamas de présentation

Chapter 22: The Electric Field II: Continuous Charge Distributions

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CHAPTER 10 Elasticity and Oscillations

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Barun RayChaudhuri Department of Physics Presidency University Kolkata 700 073 Acknowledgement:

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Physics 6B

Physics 6B. Oscillations Examples. Prepared by Vince Zaccone For Campus Learning Assistance Services at UCSB. Example 1 A 0.98 kg block slides on a frictionless horizontal surface with speed 1.32m/s. The block encounters an unstretched spring with force constant 245N/m, as shown.

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PERIODIC MOTION

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Evolution

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Followup : What Can We Do?

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Physics 218: Mechanics

Physics 218: Mechanics. Instructor: Dr. Tatiana Erukhimova Lectures 15-17.

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Rolling Motion of a Rigid Object

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Rolling Motion of a Rigid Object

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My Simple machines Emma

My Simple machines Emma . By: Emma Hardy . Lever Third class lever. A bar which turns on a fixed support called a fulcrum and is used to transmit effort and motion . Inclined Plane . Plank or other plane surface set at an acute angel to a horizontal surface . Screw.

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Sect. 4-8: Friction & Inclines

Sect. 4-8: Friction & Inclines. Friction. Friction is a lways present when 2 solid surfaces slide along each other. We must account for it to be realistic! Exists between any 2 sliding surfaces. There are two types of friction: Static (no motion) friction Kinetic (motion) friction

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64 N 79 N 12 N 15 N 98 N

An 7.3-kg object rests on the floor of an elevator which is accelerating downward at a rate of 1.0 m/s 2 . What is the magnitude of the force the object exerts on the floor of the elevator? Select the correct answer. 64 N 79 N 12 N 15 N 98 N.

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Springs

Springs. Principles of Physics - Foederer. Elastic Potential Energy. Energy is stored in a spring when work is done to compress or elongate it Compression or elongation = change in length = x (m).

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Types of Energy

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Vector Addition

Vector Addition. 1. The current in a river runs from east to west at a speed of 5 m/s. You are trying to swim across the river heading south at 2 m/s. What is your resultant velocity? Solve mathematically (Pythagorean theorem and Trig). Make sure to include an angle and direction.

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Making Pretty Pictures

Making Pretty Pictures. Free Body Diagrams and Net Force. Free Body Diagrams. Motionless Equilibrium. VECTOR diagrams! Shows ALL FORCES acting on an object Must be properly labeled. F N. F g. X Y. Net Force. F A. F g. F N. Net Force = 0 *Equilibrium*

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Conservation of Momentum

Conservation of Momentum. If a system of particles is isolated (no external forces acting on the system) the total momentum of the system is CONSERVED. Consider two particles that are isolated but interact with each other. They start with momenta p1 and p2.

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