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Question

What is the purpose of a jack in lifting a car by it ?

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Solution

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The purpose of jack is to make the effort less than the load so that it works as a force multiplier.

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Similar Questions

Q1

What is the purpose of a jack in lifting a car by it ?

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Q2

A jack used to lift the car is an application of the ________.

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Q3

With the help of a car jack, a person lifts a

1.2

tonne car. If the jack’s MA is

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, how much has the effort been reduced by in lifting the car compared to when there is no jack? (Take

g

=

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Q4

With the help of a car jack, a person lifts a

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10 {m s}^{- 2}

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Q5

The force applied by a mechanic on the jack to lift the car to a height of 0.5 m is 1200 N. Express the energy spent by the mechanic in lifting the car in kilo-calorie.

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