Which simple machine would a door knob be?Awheel and axleBlevelCpulleyDscrew
Question
Which simple machine would a door knob be?Awheel and axleBlevelCpulleyDscrew
Solution
A door knob would be considered a "wheel and axle". This is because it consists of a small knob (the wheel) that turns a rod (the axle) to move the latch. When you turn the knob, it rotates the axle, which moves the latch in or out.
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