Perpetual Motion (of machines) is defined as “The motion of a machine that‚ once activated‚ would run forever unless subject to an external force”; is it possible? Let’s start off where it all began. Ever since the 8th century man has been attempting to build Perpetual Motion Machines‚ many were designs of a system of weights on a wooden wheel.[1] These work in a simple cycle starting with the weights on the left side‚ these weights hang close to the wheel resulting in a lower torque; but when the
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Newton ’s laws of motion Newton ’s laws of motion are three physical laws that form the basis for classical mechanics. They describe the relationship between the forces acting on a body and its motion due to those forces. They have been expressed in several different ways over nearly three centuries and can be summarized as follows: 1. First law: The velocity of a body (a state of rest or of uniform motion in a straight line) remains constant unless the body is compelled to change that state
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PERFORMING A MOTION STUDY AND PERFORMING A TIME STUDY A time and motion study (or time-motion study) is a business efficiency technique combining the Time Study work of Frederick Winslow Taylor with the Motion Study work of Frank and Lillian Gilbreth (not to be confused with their son‚ best known through the biographical 1950 film and book Cheaper by the Dozen). It is a major part of scientific management (Taylorism). After its first introduction‚ time study developed in the direction of establishing
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undergo a vertical motion‚ but also undergo a horizontal motion. That is‚ as they move upward or downward they are also moving horizontally. There are the two components of the projectile’s motion - horizontal and vertical motion. And since perpendicular components of motion are independent of each other‚ these two components of motion can be discussed separately. The goal of this part of the lesson is to discuss the horizontal and vertical components of a projectile’s motion; specific attention
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ANALYSIS Physics is not all about the Resolution of Forces and Kinematics. One of the topic in Physics is Projectile Motion. Projectile Motion is a special case of two-dimensional motion. Gravity is the only considered external force acting on it while an object is airborne. Projectile is the moving body in this kind of motion. It refers to any object thrown‚ launched or otherwise projected so that once released‚ if air resistance is neglected‚ its path is affected only by the Earth’s gravity. As
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Projectile motion is a form of motion in which an object is thrown near the earth’s surface‚ causing it to move along a curved path under the action of gravity only. An example would be a football quarterback‚ when a quarterback throws the football in the air it goes upward and then travels back downward due to gravity. Gravity is the only force of significance that acts on the object which causes a downward acceleration. For example if Cam Newton throws a football over a long
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Newton’s Law of motion Newton’s first law of motion: Law of inertia Newton’s second law of motion: Law of acceleration Newton’s third law of motion: Law of interaction Submitted to : Lerrie P. Munsod Submitted by : Jan Allen Karl O. Dula IV-St.Paul December 14‚2012 Project #2 Law of Inertia A person sitting in a vehicle at rest has his whole body at rest. When the vehicle suddenly starts moving forward‚ the lower part of in contact with the vehicle moves forward. But
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Classroom Tutorial‚ we learned a variety of means to describe the 1-dimensional motion of objects. In Unit 2 of the Physics Classroom Tutorial‚ we learned how Newton’s laws help to explain the motion (and specifically‚ the changes in the state of motion) of objects that are either at rest or moving in 1-dimension. Now in this unit we will apply both kinematic principles and Newton’s laws of motion to understand and explain the motion of objects moving in two dimensions. The most common example of an object
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NEWTON’S LAWS OF MOTION Newton’s First Law of Motion An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. There are two parts to this statement - one that predicts the behavior of stationary objects and the other that predicts the behavior of moving objects. The two parts are summarized in the following diagram. The behavior of all objects can be described by saying that objects tend
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Computer Lab Rules & Regulations Electronic workstations may only be used by current Swinburne University students and staffs. Swinburne identity card must be presented on request. Swinburne computing facilities should only be used for educational‚ research and administrative purposes of Swinburne. All other uses are strictly prohibited. The following rules and terms apply to all computers on campus. Terms and Conditions 1. All users must abide by the license requirements of any software
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