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3 years ago

10

Which one of these compound machines does NOT have a wheel and axle? A. bicycle B. zipper C. wheelbarrow D. tape dispenser

2 answers:

Zigmanuir [339]3 years ago

7 0

Hello!

If you look at a zipper, you'll see that it doesn't have a wheel or an axle. A zipper links the <span>protruding teeth that the zip contains. Your answer would be B!

You can feel free to let me know if you have any questions regarding this!
Thanks!

- TetraFish</span>

Blababa [14]3 years ago

3 0

Zipper, because it's two inclined planes that form into wedges rather than being a wheel and axle.

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