introduces the basic physical principles behind mechanisms as well as basic concepts and principles required for this course. 1.1 Force and Torque 1.1.1 Force Force: an agent or influence that‚ if applied to a free body results chiefly in an acceleration of the body and sometimes in elastic deformation and other effects. Every day we deal with forces of one kind or another. A pressure is a force. The earth exerts a force of attraction for all bodies or objects on its surface. To study the forces
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speeding up‚ and turning provide a sufficient vocabulary for describing the motion of objects. In physics‚ we use these words and many more. We will be expanding upon this vocabulary list with words such as distance‚ displacement‚speed‚ velocity‚ and acceleration. As we will soon see‚ these words are associated with mathematical quantities that have strict definitions. The mathematical quantities that are used to describe the motion of objects can be divided into two categories. The quantity is either a
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Education‚ Inc. Chapter 2 One-Dimensional Kinematics Copyright © 2010 Pearson Education‚ Inc. Units of Chapter 2 • Position‚ Distance‚ and Displacement • Average Speed and Velocity • Instantaneous Velocity • Acceleration • Motion with Constant Acceleration • Applications of the Equations of Motion • Freely Falling Objects Copyright © 2010 Pearson Education‚ Inc. 2-1 Position‚ Distance‚ and Displacement Before describing motion‚ you must set up a coordinate system –
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with magnitudes of 6 meters and 8 meters cannot have a resultant of: (2.09-2.11) 48 meters 14 meters 10 meters 2 meters 8. A bicyclist going south at 5 m/s passes a bicyclist going north at 5 m/s‚ they have the same? (2.09-2.11) 9. Define acceleration‚ speed‚ velocity‚ distance and displacement. (2.01‚ 2.16‚ 2.19) 10. The slope of a Velocity versus Time graph will tell you the object’s what (2.23) 11. On a velocity versus time graph the quantity the area between the graph line and the x-axis
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Faculty of Engineering and Technology (FET) PPH 0125 Mechanics Foundation in Engineering ONLINE NOTES Chapter 1 Physical Quantities Faculty of Engineering and Technology‚ Multimedia University‚ Jalan Ayer Keroh Lama‚ Bukit Beruang‚ 75450 Melaka‚ Malaysia. PPH0125 MECHANICS Contents 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Introduction to SI Units. Basic Quantities Derived Quantities Conversion of Units Scalar and Vector Quantity Factor of ten Simplification (Standard Prefixes) Dimension:
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in a Plane Physics Question 4.1: State‚ for each of the following physical quantities‚ if it is a scalar or a vector: volume‚ mass‚ speed‚ acceleration‚ density‚ number of moles‚ velocity‚ angular frequency‚ displacement‚ angular velocity. Answer: Scalar: Volume‚ mass‚ speed‚ density‚ number of moles‚ angular frequency Vector: Acceleration‚ velocity‚ displacement‚ angular velocity A scalar quantity is specified by its magnitude only. It does not have any direction associated with it
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dynamics. Kinematics describes motion without regard to its causes. In this experiment‚ kinematics focuses in one dimension: a motion along a straight line. This kind of motion‚ actually any kind of motion‚ involves velocity‚ displacement‚ and acceleration with regards to time. The objectives of the experiment are to draw the displacement versus time graphs and velocity versus time graphs for uniform motion and uniformly accelerated motion‚ and to determine one’s normal reaction time and his reaction
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theory they should both strike the ground at the same time; in practice the brick will always strike the ground first. The reason is because of air resistance. As the paper falls to the ground air resistance is pushing the paper up‚ this slows the acceleration of the paper. It is known that as the velocity of an object increases the air resistance acting on the object increases. If we consider jumping out of a plane and free fall towards the Earth the F.B.D. would be as follows: Now the force
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GS104 Lab Report Experiment # 2 Data Collection David Case: January 23‚ 2015 Experiment #2 Data Collection Objectives: Exercise 1: Formulating a Hypothesis about pitching speed. To form a hypothesis for the pitching velocity of a ball. Use a spreadsheet and math to calculate the actual velocity and determine the accuracy of the hypothesis. I will also roll a large ball to measure its velocity and graph its horizontal motion. Materials: Volley
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makes it hard to make any predictions on the basis of previous experience. The author outlines several functions as to why project management must be relevant in order to keep up with the societal change. First was a knowledge based society. The acceleration of technology will inevitably force everything and everyone to change and evolve as it does. As the author quotes “change has thus transformed and continues to transform‚ the world which we live.” Another key point pertained to the responses to
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