L7-WE-1_1 - Lesson 7 Kinetics Work-Energy#1 Fall 08 Student...

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Lesson 7Kinetics: Work-Energy #1Fall 08 Student Advice: “Don't use the solutions <manual> to the homework; Do the problems consistently throughout the week.”
AdminHomework #3 Due FridayOnline quiz tonight
ReviewKinematics – (e.g., ads=vdv)Newton’s second law, FBD and MADPath (normal/tangential)Polar (radial/transverse)
Lesson Objectives1.Derive the work-energy equation from Newton’s second law.1.Understand definitions of work and energy and how to calculate work.2.Calculate the power generated by individual and sums of forces on a particle.3.Apply work-energy relationships to solve dynamics problems.
Soccer – Special Olympics
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KinematicsForcesWorkKinetic EnergyMomentumFaama=dtImpulsedsdsdt21ttdtFa12vmvmaa-21sssdFaaaa21212221mvmv-==Particle DynamicsWork-EnergyNewton’s2ndLawImpulse-Momentum
Work Energy Equation2211TUT=+-221mvT=sdFUaa=-21'21WorkKinetic Energy

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