Help me!!!!!!!!!!!!!!!!!! 1. What is a knife? A wheel and axle, a wedge, a pulley, or a lever? 2. What is an electric fan? A whe

Question

Help me!!!!!!!!!!!!!!!!!!
1. What is a knife? A wheel and axle, a wedge, a pulley, or a lever?
2. What is an electric fan? A wheel and axle, a wedge, a pulley, or a lever?
3. A human arm works like a simple machine called a _________. The elbow works like a _______________. A pulley; rope, a lever; fulcrum, a wheel and axle; axle, a pulley; wheel.

HELP

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Bơ 4 years 2021-08-12T22:58:36+00:00 2 Answers 12 views 0

Answers ( )

  1. Calantha
    0
    2021-08-12T23:00:10+00:00
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    Answer:

    1 . wedge 2 . wheel and axle 3 , have no clue . im sorry

  2. mit
    0
    2021-08-12T23:00:29+00:00
    Reply

    Answer:

    a knife is a sharp object

    Explanation:

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