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Momentum 22 May 2017 Focus Question: What does it mean when we say a team has momentum? I. Momentum A. Definition— B. Formula- An object with a large mass has a large amount of momentum. The more momentum an object has the harder it is to stop. Which object has the greatest momentum. a) A person walking at 2 m/s. b) A car moving at 20 m/s. c) A mouse moving at 0.2 m/s. Submit this panel… III. Law of Conservation of Momentum A. Law of Conservation of Momentum— There are many ways momentum is affected by outside forces. 1. a. b. When one object is moving hits an object that is moving at a different velocity some momentum is passed on or transferred. When a moving object hit a nonmoving object all the momentum is transferred to the object that was not moving. Momentum Before = 0 Momentum After = 0 After firing, the opposite momenta cancel. IV. PRACTICE 1. If you were running, you might have a mass of 50 kilograms and a velocity of 10 meters per second west (really fast). What would your momentum would be? conservation of momentum is M1V1=M2V2, use the formula to solve for V1. V. Class work Define momentum and the law of conservation of momentum. Is it correct to say that, if no outside force or impulse acts on an object, there is no change in momentum? Why or why not? Which has a greater momentum, a heavy truck at rest or a moving skateboard? Why? Read the words in the box. Use the correct words to fill in the blanks in the concept map about the conservation of momentum. Momentum Transferred The Law of Conservation of Momentum Velocity Inertia Is not Lost Mass Acceleration Conserved Gained Objects collide. or Says that a. ______________ b. ________ when