Something that makes our job easier is_______.

A machine

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A simple machine

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A compound machine

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None of these

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Solution

The correct option is B A simple machine
A simple machine uses a single applied force to do work against a single load force. Ignoring friction losses, the work done on the load is equal to the work done by the applied force. The machine can increase the amount of the output force, at the cost of a proportional decrease in the distance moved by the load.

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Similar questions

Instruments which help us to do our work easily are called simple machines.

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