Phsics Lab in the Housewares Store
Hi
this book is by Bob Friedhoffer. Find out a basic principle in basic tools. (nutcracker, chostiks, tee-ter-tooters, an ice cream scoop...etc...) The first, second and third levers, what's the difference? Read this to find out!
-Shummer
Rating: ***/5
posted by Rachel Shum @ 12:19 p.m.
2 comments
2 Comments:
oooo, i know what 1st, 2nd, n 3rd class levers are!!! learned it in grade 8, lolz =)
Rachel,
I never thought of an ice cream scoop as a lever.
Forget the teeter totter. As a kid, no one would ever go on the teeter totter.
You are right. You forget everday things become levers.
Catherine
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