'Second class lever' diaporamas de présentation

Science Challenge Electricity and Magnetism & Wheels and Levers

Science Challenge Electricity and Magnetism & Wheels and Levers. Grade 4 vs. Grade 5. Grade 4 Questions. Grade 4 questions will be on the bright blue slides. Grade 5 Questions. Grade 5 questions will be on the navy blue slides. Grade 4. Grade 4. Answer: C. Grade 5. Grade 5. Answer: D.

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Levers

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Session 2

Session 2. Mechanisms. Movement in Design and Technology. Structures and forces Levers and linkages Types of motion. Structures and forces on them. Forces can squash, stretch and twist things Forces can hold things still or keep things moving

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Basic Biomechanical Factors and Concepts

Basic Biomechanical Factors and Concepts. Anatomy and Physiology of Human Movement 420:050. Outline. Levers Anatomical Levers. Outline. Levers Anatomical Levers. Introduction to Levers. Lever: Simple machine that operates according to principle of torques

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Math Review

Scalar Quantities: (Magnitude only) Mass Volume Density Speed. Vector Quantities (Magnitude and direction) Force Weight Pressure Torque Velocity. Math Review. Vector Resolution. +. _. +. _. +. +. _. +. _. +.

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Simple Machines Review

Simple Machines Review. Which simple machine is represented by the picture below?. Lever Wedge Pulley Screw Wheel and Axle Inclined Plane. What is the point where a lever pivots?. Output force Center Fulcrum Input force. Which simple machine is represented by the picture below?.

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Lever Systems

Lever Systems. Classified systems of torque Relative positions of force, resistance, and axis of rotation vary in the different types or classes of levers As with any torque calculations, operations on levers determine the tendency for some force to produce rotation around a fixed point.

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Scroll to next slide to modify the game board

This is a template for you to use in your classroom. These notes will not appear on the actual slide show. This Is Jeopardy!. Scroll to next slide to modify the game board. Change category names by double clicking on them and typing in new category.

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Simple Machines

Simple Machines. Your Task:. Watch this slide show Draw a picture of each kind of simple machine on your answer sheet Write a short description of why we use simple machines. Simple Machines. Machines do not reduce the amount of work for us, but they can make it easier.

1.36k views • 15 slides

Simple Machines

Simple Machines. Your Task:. Watch this slide show Draw a picture of each kind of simple machine on your answer sheet Write a short description of why we use simple machines. Simple Machines. Machines do not reduce the amount of work for us, but they can make it easier.

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Chapter 13: Equilibrium and Human Movement

Chapter 13: Equilibrium and Human Movement. Basic Biomechanics, 4 th edition Susan J. Hall Presentation Created by TK Koesterer, Ph.D., ATC Humboldt State University. Objectives. Define torque, quantify resultant torques, and identify the factors that affect resultant joint torques

1.27k views • 14 slides

Simple Machines

Simple Machines. What is a Machine?. A machine is a device that helps us perform tasks. How are machines used?. change energy from one form into another transfer forces change the direction of a force change the magnitude of a force change distance or speed. Real simple machines.

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Simple Machines

Simple Machines. What is a Simple Machine?. A simple machine has few or no moving parts. Simple machines make work easier. Wheels and Axles. The wheel and axle are a simple machine The axle is a rod that goes through the wheel which allows the wheel to turn

684 views • 11 slides

Simple Machines

Simple Machines. What is a Simple Machine?. A simple machine has few or no moving parts. Simple machines make work easier. Wheels and Axles. The wheel and axle are a simple machine The axle is a rod that goes through the wheel which allows the wheel to turn

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SIMPLE MACHINES: THE LEVER

SIMPLE MACHINES: THE LEVER. BY: TINA AND LYNETTE.

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Academic Bowl

Academic Bowl. Force, motion, and others. If a bus is moving 15 m/s east and a person inside is walking 1 m/s west, what is the velocity of the person? 14 m/s east If a tornado is in the area, would you rather know its speed or velocity? Velocity. Scientists express force using what unit?

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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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Levers

Levers. Learning Objectives: To be able to describe the three classes of lever. To know which levers have a mechanical advantage/disadvantage. Levers. In order to produce movement your muscles and bones work together as a series of levers. Levers involve:

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Machines

Machines. Levers & Torque. Torque. The turning effect caused by a force on a rigid object around an axis or fulcrum . Represented by T Units: Newton metres (Nm) Consider a textbook. Is it easier to open the book by pushing closer to the spine (fulcrum) or further away?

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Pulleys

Pulleys. Reagan Thompson Zack Hartfield Chloe Duval. Pulley Basics. A pulley is a wheel on an axel designed to support movement of a cable or belt along circumference. Pulley system consist of a rope or cable and one or more pulleys

350 views • 6 slides