A crow-bar of length 6m is used as a machine to lift a stone of 50kgf by placing a fulcrum at a distance of 0.1m from the stone. Calculate the effort required.
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Answer:
40 books.
Step-by-step explanation:
Number of books in the three boxes= 24, 40 and 56.
Therefore total number of books=24+40+56=120
Now 120 books is divide into three equal parts.
No of books in each part=120÷3=40.
Therefore each small box contains 40 books.
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