'Pulleys' diaporamas de présentation

PHY 101 Lecture Notes

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WORK

WORK. The use of force to move an object over a distance. Simple Machine. A machine with few or no moving parts that you apply just one force. REVIEW. What is work? The use of force to move an object over a distance What is a simple machine?

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Chapter 8: Work, Power & Energy

Chapter 8: Work, Power & Energy. Conceptual Physics Mr. Latham. Section 8.1: Work. Impulse = Force x time Work = Force x distance W= Fd Vector quantity- quantity and direction Work is always in the same direction as the force Measures in Joules (derived unit) (N)(m) = J

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EQUILIBRIUM OF A PARTICLE IN 2-D

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Science Starter Wednesday 4/25

Science Starter Wednesday 4/25. Which pulley has a greater mechanical advantage, a fixed pulley or a moveable pulley?. Mechanical Advantage. Why do we study Simple Machines?.

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Simple and Compound Machines

Simple and Compound Machines. What are Simple Machines?. A device that allows work to be performed with less effort A device with few or no moving parts A device that makes work easier by changing force, distance, or by changing the direction of the force. What are Compound Machines?.

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Simple and Compound Machines

Simple and Compound Machines. What are Simple Machines?. A device that allows work to be performed with less effort A device with few or no moving parts A device that makes work easier by changing force, distance, or by changing the direction of the force. What are Compound Machines?.

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Forces in MOTION

Forces in MOTION. What are simple machines?. Machines and Work. A machine is a device that changes the direction or amount of force needed to do work Simple machines are machines with only a few parts. Examples: pulleys , wheel and axle, inclined plane, and lever

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Pulleys

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SIMPLE MACHINES

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Pulleys

Pulleys. Charlie Haffey Norwood Elementary Science. For Simplicity. Weights will be in pounds. A ten pound box weighs ten pounds. A ten kilogram box Weighs 98 Newtons. What Is A Pulley?. A wheel With a groove Can be flat C an be single or multiple.

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SIMPLE MACHINES

SIMPLE MACHINES. THE LEVER FAMILY. simple machines One of six basic types of machines which are basis for all other forms of machines. have a rigid arm and a fulcrum. six types divided into two families. FIRST CLASS LEVERS.

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Lecture 15

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How Machines do Work

How Machines do Work. How to move a pile of dirt. Handfuls? Shovels? Wheelbarrows? Using a machine may make work go faster, but it does not mean you do less work. What is a Machine?. Machine: allows you to do work in a way that is easier

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Pulley

By Jonathan Lemmon and Brook Dreher. Pulley. Definition of Pulley. a wheel with a grooved rim for carrying a line, that turns in a frame or block and serves to change the direction of or to transmit force, as when one end of the line is pulled to raise a weight at the other end.

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Simple Machines Foldable

Simple Machines Foldable. Pay attention. Simple Machines. Simple machines assist us in doing work by creating a mechanical advantage. They do not change the amount of work; they lower the effort force

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Bell-Ringers

Bell-Ringers. 15 June 2009. Bell-Ringer. 15 June 2009 LT: Identify simple machines within common tools. In your lab group, examine the provided tools and identify the simple machines within them. Simple Machines.

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Team Awesome

Team Awesome. Stacy Whitaker Kolby Hamilton Tyler Card Eugene Epler. Project Overview. Wood for solidity PVC for controlled ball movement Mousetrap to trigger shooter Rubber bands for elasticity Magnets for added weight Pulleys to transfer weight.

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Part 1: Pulleys

Part 1: Pulleys. What is a pulley?. Pulleys may have been invented by Archimedes in ancient Sicily, about 250 BC . A pulley consists of a rope (or a belt or a chain) that passes around a wheel. Sometimes the pulley is fixed, and sometimes it moves with the object that is

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The 6 Simple Machines

The 6 Simple Machines. Screw. Wedge. Inclined Plane. Pulley. Wheel and Axle. Lever. Definitions:. Energy:. Ability to do work. Work= . Force x Distance. Force:. A Push or a Pull. Inclined Plane. Inclined Plane.

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