Question

Why do we have to use force to lift any object ? What do machines do to the
force you apply?

Answer 1

Answer:

to lift an object, we must do work to overcome the force due to gravity and move the object upward. ... As indicated by the math, the main benefit of machines is that they allow us to do the same amount of work by applying a smaller amount of force over a greater distance.

Explanation:

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Answer 2

$\Large\mathtt\green{ }\huge\underline\mathtt\red{Answer : }$

We need force to lift objects to overcome the force of gravity(weight of the object). Machines help humans increase and/or redirect the force applied to an object.

A machine is any device that makes work easier by changing a force. Machines may increase the strength of the force, increase the distance over which the force is applied, or change the direction in which the force is applied.

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