'Compound machine' diaporamas de présentation

P. Science

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Simple Machines

Simple Machines. Group GG. Screw.

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Simple Machines

Simple Machines. Group JJ. My Simple Machine. The Pulley. Definition of PULLEY:. A simple machine consisting essentially of a wheel with a grooved rim in which a pulled rope or chain can run to change the direction of the pull and thereby lift a load. Pulley Pic. 1. Pulley Pic. 2. 1. 2.

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Jeopardy

Jeopardy. ANSWER. Any force on an object causes it to change this. QUESTION. What is: Its motion. ANSWER. The name of the force that pulls any two objects toward each other. QUESTION. What is: gravity. ANSWER. Astronauts weigh less on the moon than on Earth because the Moon has this.

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Chapter 5

Chapter 5. Work and Machines. Work. The transfer of energy to cause or make an object move. Work. If there is no movement, no work is done Ex: Lifting a text book (work) vs pushing on a brick wall (no movement = no work) . Work and energy.

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Welcome to the MathScience Innovation Center

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FORCE AND MOTION

FORCE AND MOTION. Georgia Performance Standards. S4P3: Students will demonstrate the relationship between the application of a force and the resulting change in position and motion on an object. Identify simple machines Using different size objects, observe how force affects speed and motion.

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Simple Machine: wheel and axle, pulley and screw

Simple Machine: wheel and axle, pulley and screw. Group FF. Wheel and Axel. Josephine Harper. What is a Wheel and Axel?. A wheel and axle is a lever that rotates in a circle around a center point or fulcrum. (1). How does it work?.

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Do You Dare Challenge The Great, All Knowing Robot?

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Gears, Pulley Drives, and Sprockets

Gears, Pulley Drives, and Sprockets. These three power train elements transfer energy through rotary motion. . Gears, Pulleys, & Sprockets. Change the speed of rotation Change the direction of rotation Change the amount of torque available to do work . Gears.

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Work & Energy Review

Work & Energy Review. Chapter 6. A speedometer measures?. SPEED. The tendency of a moving object to stay in motion is called? . INERTIA. A machine is?. Anything that makes work easier . An example of kinetic energy. A ball rolling. Energy that results from a chemical change ?.

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Project Lead The Way For Janesville Middle Schools

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Energy and Machines

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Energy and Machines

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Pulley

Pulley. By: Melissa Hale And Melinda Miller. Simple Machines. A machine is a tool that helps people do more work with greater speed and less effort. A Simple Machine has few or no moving parts. A Compound Machine has two or more simple machines working together. Simple Machines.

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Chapter 4 Work and Energy

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Energy and Simple and Compound Machines

Energy and Simple and Compound Machines. Objective 4.07 Determine how people use simple machines to solve problems. Since a body can do work for different reasons it can have energy for different reasons. It is useful to classify energy according to the reasons that bodies have it.

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Domestic and Industrial Machines

Lesson 7. Domestic and Industrial Machines. A compound machine is a machine made of two or more simple machines. The complexity can range from being very simple to very complex.

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Machines

Machines. Simple Machines. What is a Machine?. A device that helps us performs tasks. Designed to achieve at least one of the five main functions: Change energy from one form to another Hydroelectric plants convert falling water into electricity. Transfer forces

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Physical Science Unit 3 Warm-Up

Physical Science Unit 3 Warm-Up. Work, Power and Simple Machines. Wednesday 9/18/13. Define Work Give an example of work Turned in on Tuesday Unit 2 review, remember you MUST have shown work for math problems b/c I gave out answers. 9/19/13. Label the following as work or not work

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