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mel-nik [20]
2 years ago
13

Help me pls, the lesson is simple machines

Physics
1 answer:
Y_Kistochka [10]2 years ago
8 0

Answer:

1.pulley,screw,inclined plane

2.using simple machine properly with right way and precautions

Explanation:

3.cuz if they are not used properly they can cause injuries to organs

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