PPT-Momentum & Activity

How Partnership between Class Alumni Relations amp DCF Makes a Big Difference September 19 2015 Why Partner Best Practices for Partnering General Reunion Ways of Facilitating . Chapter 3, Section 7. Date:. HW: PTG #1-8, pg. 332. Learning Objective:. Explain collisions in terms of Newton’s Laws, momentum, and impulse. Success Criteria:. Define impulse. Explain conservation of momentum. Lots of fun!. Win . valuable prizes!. 1.The reason padded dashboards are used in cars is that they . look nice and feel good. . decrease the impulse in a collision. . increase the force of impact in a collision. . . In classical mechanics, the momentum of a particle is defined as a product of its mass and its velocity, . . In an isolated system of particles, with no net force acting on the system, the total momentum of the system remains the same. However , we can see from a simple though experiment that the quantity . Chapter 7. 7.1 The Impulse-Momentum Theorem. This section deals with time-varying forces affecting the motion of objects. . The effects of these forces will be discussed using the concepts of . i. mpulse and linear momentum.. P221: November 8, 2013. Summary. Linear momentum. Angular momentum. Clicker Question. A student is riding on the outside edge of a merry-go-round rotating about a frictionless pivot. She holds a heavy ball at rest in her hand. If she releases the ball, the angular velocity of the merry-go-round will:. & Energy in Collisions. Given some information, & using conservation laws, we can determine a . LOT. about collisions without knowing the collision forces! To analyze . ALL. collisions:. . Recoil/Explosion: . Action-Reaction. Initial momentum of entire system is zero (neither object has . KE. . – neither is moving). Before a cannon fires a cannonball, both are at rest, so total momentum is zero. s. Compare the inertia of a semi truck and a roller skate… . Will the truck always have more inertia than the roller skate? . Will it always have more momentum than the roller skate?. Warm-Up. Estimate the amount of work the engine performed on a 1200-kg car as it accelerated at 1.2 m/s. Chapter 11. Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.. 11-1. Rolling as Translation and Rotation Combined. 11.01. Identify that smooth rolling can be considered as a combination of pure translation and pure rotation.. Momentum = Mass x Velocity. p. =. mv. The SI unit for momentum is . kg·m. /s. Momentum and velocity are in the same . direction. Is a vector. Using the equation. p=. mv. At the same velocity, as mass increases – momentum increases. (Chapter 3). In chapter 2 we studied motion but not its cause.. In this chapter we will look at both force and motion – the cause and effect.. We will consider Newton’s:. Newton’s three laws of motion. mass of an object and it’s velocity. .. . Formula:. p = . mv. mass . (kg). velocity . (m. ⋅. s. -1. ). momentum (kg. ⋅. m. ⋅. s. -1. ). Unit: kg⋅m⋅s. -1. Momentum is influenced by. Chapter 11. Copyright © 2014 John Wiley & Sons, Inc. All rights reserved.. 11-1. Rolling as Translation and Rotation Combined. 11.01. Identify that smooth rolling can be considered as a combination of pure translation and pure rotation.. Momentum. Measures how hard it is to stop a moving object.. Momentum can be defined as . "mass in motion.". . All objects have mass; so if an object is moving, then it has momentum - it has its mass in motion. .