Readings classical mechanics physics mit opencourseware. Chapter 11 method of characteristics exact solution to. Momentum and energy conservation of energy fill in the blanks for the six systems shown. Peruse the table of videos to explore our video library as aligned to the conceptual physical science textbook. Conservation of energy and conservation of momentum page 3 answer to essential question 7. Powered by create your own unique website with customizable templates. When giving the linear momentum of a particle you must specify its magnitude and direction. Science linear motion newtons laws of motion applications of motion week 2. Chapter 3 energy and conservation laws linear momentum newtons 2 nd law is closely. Chapter 8 write the 2 d equations in terms of velocity potential reducing the three equations of continuity, momentum and energy to one equation with one dependent variable, the velocity potential. Momentum and energy practice the physics hypertextbook. Generally there is both spin and orbital angular momentum for an atomic electron. Note that the momentum conservation is valid if we consider the short time betweeonly n just before and just after the collision. Conservation of energy and momentum in collisions in general, we can identify two different types of collisions.
Work, energy and momentum notes 2 potential and kinetic energy there are many forms of energy. Energy and momentum similar expressions are obtained for the magnetic term h. An object cannot possess impulse, just as it can not possess force. After firing, the net momentum, or total momentum, is zero because the momentum of the cannon is equal and opposite to the momentum of the cannonball. Physical science assignment 3 momentum, energy, and gravitation please read the chapter and answer the following questions. No energy dissipates in form of heat or other form of energy. Chapter 6 chapter 8 write the 2 d equations in terms of. After the clay sticks, both ideally move with a combined kinetic energy of a. Assignment 3 momentum, energy and gravitation physical. Conservation of momentum in the absence of an external force, the momentum of a system. If a car and a bicycle have the same velocity, the car has a larger momentum because it has a larger mass.
An example is the collision between the two billiard. Momentum the product of the mass of an object and its velocity 2. Chapter 3 magnetism of the electron trinity college dublin. Coal, oil, natural gas, and other fuels that are ancient remains of plants and animals. Define work and calculate the work done by a constant force as the body on which it acts is moved by a given amount. After signing in, youll be brought to your profile page. Carefully define cv to include all external body and surface faces. During a collision, momentum is neither lost nor gained as long as no outside forces are acting. The potential energy stored in the nucleus of an atom.
Impulse the product of the force acting on an object and the time during which it acts 3. Answer discussion questions 1, 2, 3 refer to examples 7. In the case of the book sliding on the table, we can apply either an energy analysis or a force analysis. Conceptual physical science practice shet pe 5000 j chapter 3. Work energy and power conservation of energy collisions notes in pdf physical definition work.
New tricks similar to energy conservation could help. Mechanics, part ii momentum energy rotational motion universal law of gravity week 3. When the point of application of force moves in the direction of the applied force under its effect then work is said to be done. Youll need a course id from your instructor to register. Comment on the outcomes, paying attention to the energy and momentum before and after each collision. One form can be converted into another by doing work. Conceptual physics chapter 7 momentum and energy answers. Be able to calculate the scalar product of two vectors. Chapter 9 linear momentum linear momentum and kinetic energy. In newtons own version of his second law, he stated that the motive force exerted on a particle is equal to the change in its linear. Wavepackets, spherical waves are constructed by superposing solutions with different. Work energy and power conservation of energy collisions. The mass, energy, momentum, and angular momentum balances are utilized in the design of a wind turbine.
Chapter 3 energy, momentum and mass newtonian mechanics, with which the reader is familiar, provides a relationship between kinetic energy and momentum that applies to everyday objects with mass. Inelastic collision in elastic collisions the total kinetic energy of a system is conserved. But in chapter 2, it is stated that there are elementary particles which, to the limit of experimental accuracy, have no mass. Chapter 9 center of mass and linear momentum physics. The resulting equation will be useful for solving problems involving force, velocity, and time. Mcat physics chapter 3 work, energy, and momentum kaplan mcat chemistry chapter 3 work, energy, and momentum study. These derivations use controlvolume analysis, together with the laws for heat and momentum flux rates in a viscous conducting fluid that were introduced in chapter 1. This chapter deals with four equations commonly used in fluid mechanics. This chapter talks about the motion of the objects and the relationship between the. A piece of clay moving with one unit of kinetic energy strikes and sticks to a heavy bowling ball initially at rest.
Thermodynamics temperature and heat heat transfer thermodynamics waves doppler effect sound week 4. Chapter 5 mass, bernoulli and energy equations lecture slides by. The wider we make the time window, the more time gravity and the golfer have to influence the motion of the club and ball, so that momentum conservation would no longer hold for the. Conservation equations for mass, momentum, and energy. In this chapter, we will integrate the equations of motion with respect to time and thereby obtain the principle of impulse and momentum. Conceptdevelopment 9 3 practice page t 0 s v momentum t 1 s v momentum t 2 s v momentum t 3 s v momentum t 5 s v momentum compact same force but less mass sedan slower compact sedan. Goals for chapter 8 to determine the momentum of a particle to add time and study the relationship of impulse. State the work energy theorem, give examples of and solve problems for which the. The mass equation is an expression of the conservation of mass principle. Potential energy when an object with mass has the potential to do something.
Momentum and energy impulse momentum pmohge sheet bronco brown wants to put ft. What is the difference between momentum and kinetic energy. Then the bungee cord begins to stretch, reducing his speed to zero in 2. In this chapter will be concerned mostly with potential and kinetic and just a hint of thermal energy. The bernoulli equation is concerned with the conservation of kinetic, potential, and flow energies of a fluid stream and their. Bronco leaps w from a high cliff and experiences free fall for d r 3 seconds. Unit 4 work, energy and momentum mr trasks physics. Apply principle of work and energy to determine velocity at point 3.
1528 278 1635 380 600 360 977 180 1052 291 1086 49 644 1090 1477 14 1317 314 760 713 207 333 511 1116 1207 1098 621 1172 1293 1616 1612 1367 1037 107 1463 787 687 1267 1095 294 210 534