Question

Give reason and give the law related to these Statement it is easier to push an empty box than to push the box full of books.

Answer 1

Hello Dear !!
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As you know F = ma 
 i.e F α m 
if mass increased force applied also increased 
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That's it empty box have less weight than a box full of box so it is easier to push that box rather than a box full of books 
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Answer 2

As you know F = ma 

 i.e F α m 

if mass increased force applied also increased 

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That's it empty box have less weight than a box full of box so it is easier to push that box rather than a box full of books