Question

to do the job in less time and with less energy use a.​

Answer 1

To do the job in less time and with less energy we use a machine.

Explanation:

• lever is a type of machine. the type 1 and type 2 of lever are known as force multiplier because the help to do a particular task using less energy.

• On the other hand the type III lever is known as the the speed multiplier because they help to do the job in less time. Other types of machine are pulley inclined plane. They also act as either as speed multiplier of force multiplier

To know more,

A machine is sold with 8% disounted price at rs 1748. What is tha ...

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Answer 2

Answer:

machine is the correct answer