Joke Collection Website - Mood Talk - Have you ever used a lever tool? Can you tell me its function?
Have you ever used a lever tool? Can you tell me its function?
Used ones, such as screwdrivers, chopsticks and scissors, are used to save labor.
The distance from the force point to the fulcrum is greater than the distance from the resistance point to the fulcrum, and the lever saves effort.
The distance from the force point to the fulcrum is smaller than the distance from the resistance point to the fulcrum, and the lever is laborious.
The distance from the force point to the fulcrum is equal to the distance from the resistance point to the fulcrum, and the lever is labor-saving and effortless.
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