Physics, asked by vivhumani38, 6 months ago

Classify the following simple machines : 1. A railway signal 2. A door knob 3. A wheel barrow ​

Answers

Answered by rudraneelmahadik9519
2

Answer:

a railway signal is a lever of second type

a door knob is a simple hinge machine

a wheel barrow is a wheel and axle

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