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Question
What is the purpose of a jack in lifting a car by it ?
What is the purpose of a jack in lifting a car by it ?
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Solution
The purpose of jack is to make the effort less than the load so that it works as a force multiplier.
A jack screwjack or jackscrew is a mechanical device used as a lifting device to lift heavy loads by applying minimal forces. A hydraulic jack uses hydraulic power. The most common form is a car jack floor jack or garagejack which lifts vehicles so that maintenance can be performed
The purpose of jack is to make the effort less than the load so that it works as a force multiplier.
A jack screwjack or jackscrew is a mechanical device used as a lifting device to lift heavy loads by applying minimal forces. A hydraulic jack uses hydraulic power. The most common form is a car jack floor jack or garagejack which lifts vehicles so that maintenance can be performed
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