1. What is a knife? A wheel and axle, a wedge, a pulley, or a lever?
2. What is an electric fa...
Physics, 24.03.2020 21:13 amandasantiago2001
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.
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