Answer in one word. A screwjack works on principle of______.
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inclined plane
Explanation:
screw jack is an example of a power screw in which a small force applied in a horizontal plane is used to raise or lower a large load. The principle on which it works is similar to that of an inclined plane. The mechanical advantage of a screw jack is the ratio of the load applied to the effort applied.
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Inclined Plane
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