web view(for prying open paint can) can opener. fishing pole. crowbar. canoe paddle. author: cbe cbe...
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![Page 1: Web view(for prying open paint can) Can opener. Fishing Pole. Crowbar. Canoe paddle. Author: CBE CBE Created Date: 02/07/2017 23:37:00 Last modified by: CBE CBE Company:](https://reader030.vdocument.in/reader030/viewer/2022021510/5aab7cf07f8b9a9c2e8bf7ce/html5/thumbnails/1.jpg)
LEVER NOTES
A lever is a simple machine that makes it easier to lift, move or pry things. People have used levers for thousands of years. A lever can be as simple as a rock or stick, or as complex as the lifting mechanism of a dump truck. Whether simple or complex, a lever needs four things to do work: a bar, a fulcrum, a load and an effort.
FULCRUM: _________________________________________________________________________________________________
LOAD: __________________________________________________________________________________________________
EFFORT: __________________________________________________________________________________________________
Levers are classified into three classes based on the positioning of the load, effort and fulcrum.
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For each item:
a) draw a simple “lever sketch” and identify the load, effort and the fulcrum.b) classify as class 1,2 or 3.
Hammer pulling out a nail Hammer putting in a nail
Seesaw Bottle Opener
Nutcracker Pliers
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Wrench Scissors
Hockey Stick Shovel
Tennis Racquet Wheelbarrow
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Leg kicking a ball Screwdriver (for prying open paint can)
Can opener Fishing Pole
Crowbar Canoe paddle