Question

give reasons

why jackscrew is used to lift vehicles ?

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Answer 1

Answer:

• A jackscrew, or screw jack, is a type of jack that is operated by turning a leadscrew. It is commonly used to lift moderately heavy weights, such as vehicles; to raise and lower the horizontal stabilizers of aircraft; and as adjustable supports for heavy loads, such as the foundations of houses.

Answer 2

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A jack is a mechanical lifting device used to apply great forces or lift heavy loads. ... The most common form is a car jack, floor jack or garage jack, which lifts vehicles so that maintenance can be performed.

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