Introduction to sheet metal forming processes INTRODUCTION TO SHEET METAL FORMING PROCESSES The documents and related know-how herein provided by SIMTECH subject to contractual conditions are to remain confidential. This documentation and related know-how shall not be disclosed‚ copied or reproduced by any means‚ in whole or in part‚ without the prior written permission of SIMTECH. © 1999 SIMTECH. All rights reserved Product names are mentioned for identification only and may be registered
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The First and Second Conditions for Equilibrium The first condition for equilibrium: The second condition for equilibrium: • • ΣF = 0 ΣΓ = 0 • In when both of these conditions are satisfied in static systems all forces and torques sum to zero. In problems where the first and second conditions of equilibrium are satisfied‚ the best strategy is to create FBD’s for both the first and second conditions‚ derive equations based on these FBD’s and then see what useful information may be gleaned from
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doing 5000J of work in the process. During this time‚ the car moves 25.0m. Neglecting friction between the car and road‚ find (a) v and (b) the horizontal force exerted on the car. 25) A daredevil on a motorcycle leaves the end of a ramp with a speed of 35.0 m/s as in the figure P5.25. If his speed is 33.0 m/s when he reaches the peak of the path‚ what is the maximum height that he reaches? Ignore friction and air resistance. 31) A horizontal spring attached to a wall has a force constant
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Title: How does a moving cart rolling down a slope? Objectives: Adapt the traditional vertical and horizontal axes to a coordinate system aligned with a slope. Determine the acceleration of a cart that rolling down from a frictionless track (our assumption) by calculating theoretically and measuring experimentally. Compare the experimental and expected values of acceleration. Show that the acceleration of a cart moving down a slope (from frictionless track) is dependent on the angle of the slope
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not disapear after a few hours‚ this may be a pressure sore and should not be ignored. If you think you have found pressure sores‚ contact your GP surgery as soon as possible and seek advice. As people age their skin becomes fragile. Quite moderate friction on the skin can over time cause pressure sores. When helping the person to move be careful not to drag them across the bed or chair. Also make sure there are no rough seams in their clothes or anything in their pockets that could rub. Check their
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interface with a motion sensor elastic threads (unstretched length about 20 cm) × 4 friction-compensated runway trolley 0.5 kg weights / additional trolleys × 3 electronic balance (optional if the mass of the trolley is known) Part A—Net force and acceleration Procedures: 1. Prepare a set-up to record the motion of a trolley on a runway as shown below. While necessary‚ adjust the runway for friction compensation. 2. Start data-logging. Use 1 elastic thread to pull the trolley along
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you are right - I just don’t know! 1. Tension‚ Weight‚ Friction: You are taking advantage of an early snow to go sledding. After a long afternoon of going up and down hills with your sled‚ you decide it is time to go home. You are thankful that you can pull your sled without climbing any more hills. As you are walking home‚ dragging the sled behind you by a rope fastened to the front of the sled‚ you wonder what the coefficient of friction of the snow on the sled is. You estimate that you are
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PHYSICS 1 FAP0015 Questions & Answers to Physics I Assignments Chapter 1 11. What‚ roughly‚ is the percent uncertainty in the volume of a spherical beach ball whose radius is r = 2.86 ± 0.09 m? Answer: To find the approximate uncertainty in the volume‚ calculate the volume for the specified radius‚ the minimum radius‚ and the maximum radius. Subtract the extreme volumes. The uncertainty in the volume is then half this variation in volume. 3 Vspecified = 4 π rspecified = 4 π ( 2.86 m ) = 9
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Disk With Weight: A 15 kg uniform disk of radius R = 0.25 m has a string wrapped around it‚ and a m = 3 kg weight is hanging on the string. The system of the weight and disk is released from rest. a) When the 3 kg weight is moving with a speed of 2.2 m/s‚ what is the kinetic energy of the entire system? KETOT = KEwheel+KEweight = (1/2)(I)(w2)+(1/2)(m*v2) =(0.5* v2)(m+1/2M) =0.5*(2.2^2)*(3+(.5*15)) J b) If the system started from rest‚
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the force of gravity (acts in a downward direction)‚ the normal force (the support force exerted upon the object that is in contact with another stable object)‚ the force of movement (the force from the wheels-moment of an object) and the force of friction (the force exerted by a surface as an object moves across). According to Isaac Newton’s law of Universal Gravitation‚ objects near the surface of the earth accelerate at a rate of 9.8m/s/s towards the ground. The purpose of this investigation
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