Technical principle of screwdriver

Date:Feb 11, 2020

The screwdriver uses the principle of the lever to pry the paint cover. The greater the distance from the power point to the fulcrum, the more labor-saving, so the long screwdriver is more labor-saving than the short screwdriver.

The screwdriver uses the working principle of the axle when screwing. When the wheel is larger, it saves effort, so using a thick screwdriver is more labor-saving than using a thin screwdriver.

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