Gather all of your equipment‚ a LabQuest 2‚ two friction blocks (one with sandpaper and one with foam)‚ a force sensor‚ slotted masses‚ a ruler‚ and two sheets of graph paper. Weigh the two friction blocks in kilograms. Then multiply that number by g‚ 9.8‚ to find the blocks’ weights in Newtons and record it. Plug the force sensor into channel 1 of your LabQuest 2‚ this allows you to calculate the amount of force that you pull the block with. Choose six of the slotted masses to place on the blocks
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because of friction. Friction is the force that resists the relative motion or tendency to such motion of two bodies in contact. Each time the mass of the tub is increased the pressure between the two contact points (the bottom of the tub and the floor) increases and thus the friction force acting in the opposite direction of the forward forcer of the tub overbalances it. This causes the tub to slow down and stop at a shorter distance each time its mass is increased‚ because the friction force becomes
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Wooden block on various materials e.g. wood on plastic 3. Protractor and wooden block due to the constant changing of positions. 4. Tyres. 5. Body of the car so that car is easily controlled. 6. Replace sliding friction with rolling element friction‚ such as with the use of rolling element bearings or
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CHAPTER 6 1. Let m = mass of the block From the freebody diagram‚ R – mg = 0 R = mg ...(1) Again ma – R = 0 ma = R = mg (from (1)) a = g 4 = g = 4/g = 4/10 = 0.4 The co-efficient of kinetic friction between the block and the plane is 0.4 2. Due to friction the body will decelerate Let the deceleration be ‘a’ R – mg = 0 R = mg ...(1) ma – R = 0 ma = R = mg (from (1)) a = g = 0.1 × 10 = 1m/s2. Initial velocity u = 10 m/s Final velocity v = 0 m/s a = –1m/s2
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ABSTRACT A non-linear contact analysis of a leading-trailing shoe drum brake‚ using the finite element method‚ is presented. The FE model accurately captures both the static and pseudo-dynamic behaviour at the friction interface. Flexible–to-flexible contact surfaces with elastic friction capabilities are used to determine the pressure distribution. Static contact conditions are established by initially pressing the shoes against the drum. This first load step is followed by a gradual increase of
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guiders‚ 4. fluid suspension‚ 5. rails‚ 6. road‚ 7. hoists and cranes‚ 8. fluid borne. Different systems can be used for bulk transport of materials as shown in Table 1. Group Section System 1. Continuous A. Carriers (i) belt conveyors (ii) other continuously moving conveyors B. Pushers (i) open chain conveyors (ii) closed chain conveyors (iii) screw conveyors and feeders C. Guiders (i) chutes (ii) shaker conveyors (iii) vibratory conveyors D. Fluid suspensions
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The Role of Surface Engineering in the Automotive Industry The subject of surface engineering in the automotive industry has developed significantly in the last decade. A large driving force for the need for surface treatments has been energy consumption. 30 per cent of all energy consumed in the European Union derives from transportation activities‚ relying solely on fossil fuels. Due to this‚ and the push to reduce the emissions of polluting gases‚ car manufacturers must produce increasingly
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speed 5. A plane flying horizontally above Earth’s surface at 100. m/s drops a crate. The crate strikes the ground 30.0 s later. What is the magnitude of the horizontal component of the crate’s velocity just before it strikes the ground? [Neglect friction.] (1) 0 m/s (3) 294 m/s (2) 100. m/s (4) 394 m/s 6. A woman with horizontal velocity v1 jumps off a dock into a stationary boat. After landing in the boat‚ the woman and the boat move with velocity v2. Compared to velocity v1‚ velocity
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formatted using a borderless table and is the easiest way to get it aligned correctly. CD | Drag coefficient | v | Velocity (m/s) | Vx‚ Vy | Velocity components in the horizontal and vertical directions‚ respectively (m/s) | | Density of fluid (kg/m3) | * Contents Summary ii Nomenclature iii Contents iv Acknowledgements vi 1 INTRODUCTION 1 1.1 Background 1 1.2 Literature Reviews 2 1.2.1 Tactile Sensory 2 2 1.2.2 Psychophysical Performance; Tactile Discrimination of Textured
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Physics 111 N Final Exam Please answer all problems on the blank paper provided. Clearly print your name and student ID on every sheet you use. Please hand in your formula sheet along with your answers Course ID : 10076 Prof. Jozef Dudek Unless instructed otherwise‚ you must show working‚ or explain how you came to your answer for all questions. You cannot get full credit on a question unless working is shown. Partial credit will be awarded for working which is partially correct
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