Is it justifiable to reconsider a perfect device? Why has the wheelbarrow survived as is?
THEY MAKE LIFE EASIER BY : JOE BEUKERS One type of lever is a wheelbarrow. Levers can make it easier...
-
Upload
brianna-campbell -
Category
Documents
-
view
214 -
download
0
Transcript of THEY MAKE LIFE EASIER BY : JOE BEUKERS One type of lever is a wheelbarrow. Levers can make it easier...
![Page 1: THEY MAKE LIFE EASIER BY : JOE BEUKERS One type of lever is a wheelbarrow. Levers can make it easier for people to lift heavy objects or open things.](https://reader031.fdocuments.in/reader031/viewer/2022013004/5697bf841a28abf838c86cf1/html5/thumbnails/1.jpg)
THEY MAKE LIFE EASIERBY : JOE BEUKERS
![Page 2: THEY MAKE LIFE EASIER BY : JOE BEUKERS One type of lever is a wheelbarrow. Levers can make it easier for people to lift heavy objects or open things.](https://reader031.fdocuments.in/reader031/viewer/2022013004/5697bf841a28abf838c86cf1/html5/thumbnails/2.jpg)
One type of lever is a wheelbarrow.Levers can make it easier for people to lift heavy objects or open things . The object being moved by a simple machine such as a lever is called a load .
![Page 3: THEY MAKE LIFE EASIER BY : JOE BEUKERS One type of lever is a wheelbarrow. Levers can make it easier for people to lift heavy objects or open things.](https://reader031.fdocuments.in/reader031/viewer/2022013004/5697bf841a28abf838c86cf1/html5/thumbnails/3.jpg)
WedgesMany common items
are wedges . A needle pushes apart threads of fabric. A zipper changes effort force to unlock the teeth or push them together . The blade of an ax is a wedge with a sharp edge .
![Page 4: THEY MAKE LIFE EASIER BY : JOE BEUKERS One type of lever is a wheelbarrow. Levers can make it easier for people to lift heavy objects or open things.](https://reader031.fdocuments.in/reader031/viewer/2022013004/5697bf841a28abf838c86cf1/html5/thumbnails/4.jpg)
Inclined plains
A ramp is a inclined plain . So is a long board that slants from the back of the truck to the ground . Movers use inclined plains to slide
heavy object s on to their massive cool truck..
![Page 5: THEY MAKE LIFE EASIER BY : JOE BEUKERS One type of lever is a wheelbarrow. Levers can make it easier for people to lift heavy objects or open things.](https://reader031.fdocuments.in/reader031/viewer/2022013004/5697bf841a28abf838c86cf1/html5/thumbnails/5.jpg)
A example of a wheel and axle is a Ferris Wheel.
When you go on a Ferris wheel you are on a over sized wheel and axle . However , in a Ferris wheel the effort force is applied to the axle not the wheel .
![Page 6: THEY MAKE LIFE EASIER BY : JOE BEUKERS One type of lever is a wheelbarrow. Levers can make it easier for people to lift heavy objects or open things.](https://reader031.fdocuments.in/reader031/viewer/2022013004/5697bf841a28abf838c86cf1/html5/thumbnails/6.jpg)
A type of pulley is a crane.
A pulley is used to move heavy objects like heavy furniture . The effort force varies in direction for each type of pulley .
![Page 7: THEY MAKE LIFE EASIER BY : JOE BEUKERS One type of lever is a wheelbarrow. Levers can make it easier for people to lift heavy objects or open things.](https://reader031.fdocuments.in/reader031/viewer/2022013004/5697bf841a28abf838c86cf1/html5/thumbnails/7.jpg)
Screw
Believe it or not ,a screw is an inclined plain wrapped around a short piece of metal .
![Page 8: THEY MAKE LIFE EASIER BY : JOE BEUKERS One type of lever is a wheelbarrow. Levers can make it easier for people to lift heavy objects or open things.](https://reader031.fdocuments.in/reader031/viewer/2022013004/5697bf841a28abf838c86cf1/html5/thumbnails/8.jpg)