After so many easy brain teaser, here comes something which will not only make you think deeply but also it will require your knowledge of Physics. Do have a look at this puzzle picture in which one person is trying to pull the bucket using pulley. Can you tell in which case he has to put maximum effort to pull the bucket?
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| Who has to be stronger to pull the bucket? |
Answer can be viewed by clicking on button. Please do give your best try before looking at the answer.
13 comments:
B
The rope is cut in A so I guess It's B or C
B
2^n :) Mechanical advantage
B
Picture B. If the weight of the bucket is taken as W, then person A is actually pulling a weight of W/4, Person B is pulling a weight of W and C is pulling W/2.
B the full weight is pulled
A and C are the same where the weight is halved
That is my view anyway
A
B
i think C
B
B this raght
الجواب الاول هو الصحيح