'Impulse momentum' diaporamas de présentation

Chapter 9

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Chapter 9

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Course Outline

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WORK-ENERGY-POWER

WORK-ENERGY-POWER. 1. (i) WORK :- Work done by a force is the product of the force and the distance moved by the point of application in the direction of the force. It is a scalar quantity. Unit: Nm ( Joule ). F. F. ?. ?. A. B. s.

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MOMENTUM!

MOMENTUM!. Momentum Impulse Conservation of Momentum. Objectives. I will learn relationships of variables expressed in the momentum equations. I will describe the relationships between momentum and vectors. I can solve momentum problems in one dimension for elastic and inelastic collisions.

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Physics I Review 1

Physics I Review 1. Review Notes Exam 1. Definitions. Definitions (Continued). Definitions (Continued). Class #1 Take-Away Concepts. Problem Solving Strategy for Projectile Motion. Hit the Falling Target Diagram. Hit the Falling Target Table of Kinematic Quantities.

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Linear Momentum

Linear Momentum. is the product of mass times velocity m v. IMPULSE. Impulse is the product of the net Force and the time of contact. IMPULSE = F NET ?t. IMPULSE-MOMENTUM. The net Force produces acceleration. we wish to show that Impulse produces momentum.

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Kinetics of Particles Impulse Momentum Method

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Impulse & Momentum

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Impulse & Momentum

Impulse & Momentum. Physics 11. Problem. A baseball of mass 0.145kg is pitched toward a batter with an initial velocity of 35 m/s. If the batter hits the ball in the opposite direction at 45 m/s, determine the force that is applied by the bat on the ball if the contact time was 0.013s.

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LINEAR AND ANGULAR MOMENTUM, PRINCIPLE OF IMPULSE AND MOMENTUM

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Impulse-Momentum

Impulse-Momentum. Impulse. Impulse, J , is the product of average force and the time interval during which force acts J=F ?t Impulse is a vector in same direction as force Unit= Ns When a large force is applied for a long time, get good velocity leaving the bat- a solid hit. Momentum.

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PLANAR KINETICS: IMPULSE AND MOMENTUM (Sections 19.1-19.2)

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Particle Kinematics

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Impulse & Momentum

Impulse & Momentum. Chapter 9. Playing Baseball. Explain what happens to the baseball when the batter hits the ball What happens to the bat? Explain what happens when the outfielder catches the ball. Impulse & Momentum.

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Impulse & Momentum

Impulse & Momentum. Chapter 9. Playing Baseball. Explain what happens to the baseball when the batter hits the ball What happens to the bat? Explain what happens when the outfielder catches the ball. Impulse & Momentum.

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Momentum and Impulse

v 2 =v 1 +at. Kinematics equation. mv 2 =mv 1 +mat mat=mv 2 -mv 1 Ft=mv 2 -mv 1. Momentum and Impulse. Dynamics equation. p= momentum p = mv momentum: quantity of motion (mass in motion) Product of mass and velocity Vector quantity Momentum can be transferred between objects

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All figures taken from Vector Mechanics for Engineers: Dynamics , Beer and Johnston, 2004

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