EXERCISE 8 - Rotational Dynamics‚ Equilibrium of rigid body 1. If the torque required to loosen a nut that is holding a flat tire in place on a car has a magnitude of 40.0 N m‚ what minimum force must be exerted by the mechanic at the end of a 30.0-cm lug wrench to accomplish the task? 133 N 2. A steel band exerts a horizontal force of 80.0 N on a tooth at point B in Figure 1. What is the torque on the root of the tooth about point A? 0.64 Nm 3. Calculate the net torque (magnitude and
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Adv. Physics – Unit 1 Homework Linear Motion (Ch. 2 & 3) Essential Questions: 1) How would you describe constant and accelerated motions? 2) How is motion represented graphically and analytically? 3) How does an x vs. t graph differ between constant and accelerated motions? P. 52-53 #46‚ 48‚ 50‚ 53 P. 80-83 #58‚ 59‚ 87‚ 89‚ 98‚ 106 If I don’t give the answer‚ you will have to determine it yourself. SHOW YOUR WORK! P. 52 50) 1.5x1011 m 53) 1.8 min P. 80 87) a. 75 m b. 150
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How Sugar Affects the Body in Motion By GRETCHEN REYNOLDS Gary John Norman/Getty Images Sugar is getting a bad reputation. A cover article in The New York Times Magazine several weeks ago persuasively reported that our national overindulgence in fructose and other sugars is driving the epidemics of obesity‚ diabetes and other illnesses. But that much-discussed article‚ by the writer Gary Taubes‚ focused on how sugars like fructose affect the body in general. It had little opportunity to examine
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How does the mass of a ball affect the distance it will travel ? Exploring Newtons 2nd Law of motion. Background Research How does changing the mass of an object effect how far it will travel ? This question can be answered by Newtons 2nd law of motion; Force equals mass multiplied acceleration (F= ma). This law states that a force on an object will cause it to accelerate in the direction of the force. The greater the force exerted on the object‚ the greater the acceleration. But how does
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Criminological perspectives Individual assignment based on the motion picture “BLOW”‚ directed by Ted Demme in 2001‚ starring Johnny Depp and Penelope Cruz Nicolae T. Stanca I. Criminological perspectives present in the movie 1. Introduction and features The aim of this paper is to try to present and explain the main characteristics of George Jung and also what seemed to have triggered his criminal behavior presented in the movie “Blow” by Ted Demme‚ starring Johnny Depp and Penelope Cruz
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and not somewhere else then that means it wasn’t moving. Therefore no motion was taking place. He states the same conclusion as the previous argument which was the same as the first argument‚ the Dichotomy that motion is nonexistent. This brings the idea that there is no plurality because to be and not to be are the same but not the same‚ there is no space so there is no plurality. This argument is flawed because rest and motion are different and what is happening at present time has nothing to do
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TYPES OF CUTTING MOTION IN MACHINE TOOLS A machine tool is a machine for making components of a given shape‚ size and accuracy as per the requirements by removing material from the workpiece by using a cutting tool to operate upon the workpiece. Machine tools are capable of producing themselves therefore the machine tools are quite often referred to as mother machine. In the manufacturing processes‚ machine tools are the most versatile and almost any product can be produced with them. The machine
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the floor. Explain how the motion of the car after you released the end of the straw demonstrates Newton’s three laws of motion. •Newton’s three laws of motion. Newton’s First Law of Motion states‚ “Every object continues in a state of rest‚ or in motion in a straight line at constant speed‚ unless it is compelled to change that state by an unbalanced force exerted upon it.” The change was the thrust made when the straw was released. •Newton’s Second Law of Motion states‚ “The acceleration produced
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on Change-Motion In our current times‚ we do not stop to think about or question change or motion in our material world. We now know that change and motion exist. Even if we as individuals don’t know the properties and processes that cause change or motion‚ we don’t doubt that they are possible‚ as science has proven that they are in fact plausible. However‚ information about change and motion has not always been so well defined. The unknown aspects of what caused change and motion‚ how it affected
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Robert Pittman 1/26/2012 Physics Circular motion creating artificial gravity Artificial gravity is a must have for any and every space station‚ if the human is living there for a long period of time. If there isn’t any artificial gravity present then the human body is extremely stunned which forces all the biological functions to break down. Astronauts that are in orbit for a long period of time tend to show major decreases in their bone strength‚ muscular tone‚ and also
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