PPT-Activity 1.2.5a Mechanical Efficiency

Winch Construction Guide Using the VEX Robotics Platform VEX POE kit Masonry line Paperclip Breadboard Hookup wires Multimeter Step 1 Build Base Step 2 Assemble Motor Mount and Shaft Support. Senior Executive Managing Director . Colliers International Tampa Bay, Southwest Central and Northeast Florida. professional accomplishments. Berkeley FLEXLAB Executive Advisory Board . Chair (2013. ). Energy Convertors . Intro. Read pp.2-8 and take your own note on the following:. What is an energy converter?. Are they 100% efficient? Why or why not?. List 4 different types/examples of energy converters. Work & Machines. What is work?. Work is done when a force causes an object to move in the direction of the force.. Transfer of kinetic energy. Applying a force does NOT always result in work being done.. Chapter 14 Section 3. Mechanical Advantage. The . mechanical advantage. of a machine is the number of times that the machine increases an input force. Suppose a nut is in a nutcracker at position A . Weathering . The process by which larger rocks are broken down into smaller and smaller rocks. Destructive force. Mechanical Weathering. The breaking down of larger rocks into smaller rocks WITHOUT changing the rocks’ minerals. 2. Law of Conservation. Energy . cannot be created or destroyed. .. It does not appear or disappear, can only be . converted from one form to another. .. However, we usually find that the . output. . Lesson 6. Mechanical Advantage and Efficiency . Simple machines allow us to move objects with less effort force then the load force due to force advantage. . The force advantage can be found by dividing the load force by the effort force, . Device Construction. © 2012 Project Lead The Way, Inc.. Principles of Engineering. Presentation includes: instructions for building a simple machines device and measuring mechanical advantage. Base Equipment. Workshop. Pat Higby. Introduction to Energy Efficiency Workshop. Basics of Energy Use. Energy Use Environmental Effects. Definitions of Energy Efficiency and Conservation. Activities (x 4). Watts . your Consumption and other smart Devices. Winch Construction Guide. Using the. VEX. ®. . Robotics Platform. © 2012 Project Lead The Way, Inc.. Principles of Engineering. VEX. ®. . POE . kit. Masonry . line. Paperclip. Breadboard. Hook-up . . 1. . A crate of bananas weighing 3000 N is shipped from South America to New York, where it is unloaded by a dock worker who lifts the crate by pulling with a force of 200 N on the rope of a pulley. What is the actual mechanical advantage of the system? . 2.1 Lever systems, examples of their use in activity and the mechanical advantage they provide in movement. Task 1 Thinking of every day situations, how many examples of levers can you think of? ** How do you measure mechanical efficiency? Energy, Work and Mechanical Efficiency Mechanical Efficiency Mechanical efficiency is a comparison of the useful work or energy that a mechanical system produces to the work or energy that was put into the system. 14-3 Mechanical Advantage and Efficiency Answer on a separate sheet of paper Objectives: 1. How does the actual mechanical advantage of a machine compare to its ideal mechanical advantage? 2. Why is the efficiency of a machine always less than 100 percent?