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CHAPTER 3 MOMENTUM AND IMPULSE prepared by Yew Sze Ling@Fiona, KML 2 3.1 Momentum and Impulse Momentum The linear momentum (or "momentum" for short) of an object is defined as the product of its mass and its velocity. p mv & & SI unit of momentum: kgms-1 or Ns Momentum is vector quantity that has the same direction as the velocity.
momentum), it is optimal for investors to hold less or may short the momentum asset and hence sufier less or even beneflt from momentum crashes. Key words: Portfolio selection, momentum crashes, dynamic optimal momentum strategy. JEL Classiflcation: C32, G11 Date: March 11, 2016. 1
Momentum ANSWER KEY AP Review 1/29/2018 Momentum-1 Bertrand Momentum How hard it is to stop a moving object. Related to both mass and velocity. For one particle p mv For a system of multiple particles P p i m i v Units: N s or kg m/s Momentum is a vector! Problem: Momentum (1998) 43. The magnitude of the momentum of the
momentum is kg·m/s. Linear Momentum Linear momentum is defined as the product of a system's mass multiplied by its velocity: p mv. (8.2) Example 8.1Calculating Momentum: A Football Player and a Football (a) Calculate the momentum of a 110-kg football player running at 8.00 m/s. (b) Compare the player's momentum with the
1. Impulse and Momentum: You should understand impulse and linear momentum so you can: a. Relate mass, velocity, and linear momentum for a moving body, and calculate the total linear momentum of a system of bodies. Just use the good old momentum equation. b. Relate impulse to the change in linear momentum and the average force acting on a body.
Momentum: Unit 1 Notes Level 1: Introduction to Momentum The Definition Momentum is a word we sometime use in everyday language. When we say someone has a lot of momentum, it means they are on a roll, difficult to stop, really moving forward. In physics, momentum means "mass in motion". The more mass an object has, the more momentum it has.
Momentum (p mv)is a vector, so it always depends on direction. Sometimes momentum is if velocity is in the direction and sometimes momentum is if the velocity is in the direction. Two balls with the same mass and speed have the same kinetic energy but opposite momentum. Momentum vs. Kinetic Energy A B Kinetic Energy Momentum
Section Review 9.1 Impulse and Momentum pages 229–235 page 235 6. Momentum Is the momentum of a car traveling south different from that of the same car when it travels north at the same speed? Draw the momentum vectors to sup-port your answer. Yes, momentum is a vector quantity, and the momenta of the two cars are in opposite directions. 7.8 .File Size: 806KBPage Count: 31
Linear Momentum Linear momentum is defined as the product of an object's mass and velocity: p mv Units of momentum:s kg m The greater the linear momentum of a body , the greater its tendency to continue in motion. v m An iron shot (m larger) is harder to stop than a baseball (m small) of the same velocity. Momentum is a VECTOR !
Linear momentum is always conserved for an isolated system. Of course, we deal with components ix fx iy fy p p and p p I like to say that momentum is conserved in collisions and explosions. Note: The total momentum of the system is conserved. The momentum of an individual particle can change. Problem 18.
4. Impulse - Momentum 3. This area is called Impulse F.dt r. 5/14/2008 Momentum - 1 25 Force, Time and Momentum The area under the force-time graph equals the change in linear momentum. If the LHS of this . Collisions - Linear Momentum is always conserved Is the collision force gravity or springs? - If YES, then Kinetic .
The linear momentum (or "momentum" for short) of an object is defined as the product of its mass and its velocity. Momentum (plural is momenta—from Latin) is represented by the symbol If we let m represent the mass of an object and represent its velocity, then its momentum is defined as (7;1) Velocity is a vector, so momentum too is a vector.