'Class levers' diaporamas de présentation

Work and Machines

Work and Machines. Work. Work occurs when a force causes an object to move in the direction of the force. You just finished reading and summarizing an entire chapter in your science textbook. In the scientific sense, you did NO work at all!

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Energy:

Definitions:. Energy:. Ability to do work. Work= . Force x Distance. Force:. A Push or a Pull. What is work?. In science, the word work has a different meaning than you may be familiar with.

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Simple Machines

Simple Machines. Ag Mech and Metal. Introduction to. Simple Machines. What are they?. Simple machines are machines with few or no moving parts that are used to make work easier. Definitions:. Energy:. Ability to do work. Work=. Force x Distance. Force:. A Push or a Pull.

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Work and Simple Machines

Work and Simple Machines. What is work?. Using a force to move an object a distance (when both the force and the motion of the object are in the same direction.). Work or Not?. According to the scientific definition, what is work and what is not? a teacher lecturing to her class

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Levers: Gaining More Leverage

Levers: Gaining More Leverage. 1 st , 2 nd , & 3 rd class Levers. 1 st class levers review:. Look at the 1 st class lever below. Identify the FELLA Think of at least 3 facts related to 1 st class levers to share with the class Discuss. 1 st class levers review. 1 st C lass Facts :

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Levers: Gaining More Leverage

Levers: Gaining More Leverage. 1 st , 2 nd , & 3 rd class Levers. 1 st class levers review:. Look at the 1 st class lever below. Identify the FELLA Think of at least 3 facts related to 1 st class levers to share with the class Discuss. 1 st class levers review. 1 st C lass Facts :

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Machines around us

Machines around us. What can machines be used for?. Change the size of a force. Make things speed up (Accelerate). Change the direction of a force. Think!!. Write three examples of machines you think are: Force Multipliers Speed Multipliers Direction Changers. Levers.

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Chapter 8

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Work and Simple Machines

Work and Simple Machines. 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. Simple Machines. The six simple machines are: Lever Wheel and Axle Pulley Inclined Plane

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LEVERS

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LEVERS

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Levers in Musculoskeletal System

Levers in Musculoskeletal System. Lever - simple machine consisting of a rigid, barlike body that can be made to rotate around an axis Components - Fulcrum- pivot or where rotation occurs (axis of rotation) (ex. joints)

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Levers

Levers. Level 1 Physical Education Pakuranga College 2011. Levers are simple machines made up of a pivot (fulcrum), effort, and resistance (load) arm. Levers help apply force. Longer levers result in greater speed. Good for throwing & striking.

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Simple Machines

Simple Machines. Physical Science Chapter 13 Section 2. What are Simple Machines?. The lever, pulley, wheel and axle, inclined plane, wedge, and screw are simple machines. Can be broken down into the lever and inclined plane families. The Lever Family.

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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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Tuesday January 10, 2012

Warm Up SET UP YOUR ALBERT III What is the difference between an atom and a molecule? There is no difference An atom is composed of multiple molecules A molecule is composed of multiple atoms An atom does not exist in the natural world and a molecule does. Tuesday January 10, 2012.

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Fifth Grade Science

Fifth Grade Science. Levers. Lever- a stiff bar that rests on a middle support. Parts of a Lever. Load- the weight or the resistance that needs to be overcome. Effort- the force applied to move a load. Lever- stiff bar. Fulcrum- pivot point (fixed).

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Simple Machines

Simple Machines. Pulley Inclined Plane Lever Screw Wedge Wheel and Axle. Six Simple Machines. Lever. A lever is a rigid object that is used with an appropriate fulcrum or pivot point to multiply the mechanical force that can be applied to another object. 3 Classes of Levers.

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Machines and the Body

Machines and the Body. By: Adhithi Raghavan Period 1 . Force and work. Force - the push or pull on an object. Work - when you exert a force on an object to make the object move a distance Work = Force x Distance

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