'First class levers' presentation slideshows

Ch 14

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Magnets, Forces & Simple Machines Review

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14.1 Work and Power

14.1 Work and Power. Work - Work is the product of force and distance. Work Requires Motion If there is no movement, no work is done. Force must act on an object in the same direction the object moves. What is Work?. W = F x d Work is the product of force and distance

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Lecture 14 BIO 325

Lecture 14 BIO 325. Levers Insect Flight Elastic recoil: subalar arm Elastic storage for power amplification: flea jump Assigned reading: Sutton G.P., Burrows M. 2011. Biomechanics of jumping in the flea. J. of exp. Biol 214: 836-847 .

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LEVERS

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Types of Levers

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Simple Machines

Simple Machines. ~ Levers ~. Simple Machines. Ancient people invented simple machines that would help them overcome resistive forces and allow them to do the desired work against those forces. . What is a machine?.

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Machines!

Machines!. Physical Science. What are machines?. Machines can be anything from complex designs (cars, draw-bridges, elevators, etc.) to simple, everyday objects (hammers, screws, wheelbarrow)

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Levers

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Simple Machines

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Simple Machines

Simple Machines. There are six types of simple machines Lever Pulley Screw Wheel and Axle Inclined plane Wedge. Lever. A lever is a rigid object that pivots or rotates on a fixed point. The fixed point is called a fulcrum. First Class Levers.

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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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Simple Machines

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