21. Answer the following question in brief:
A screw is an inclined plane. Evaluate.
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Answer:
A screw is an inclined plane wrapped around a cylinder. The screw multiplies the FE by acting through a longer distance. The closer the threads are the greater the mechanical advantage.
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Answer:
A srew machine
Explanation:
A screw is a machine and appears like an inclined plane wound around a rod with a pointed tip. For example a jar lid, a drill.
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