Physics Brain Teaser with Pulley for Adults

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?
Physics Brain Teaser with Pulley for Adults
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.

16 comments:

Unknown said...

B


pinkcactus.com said...

The rope is cut in A so I guess It's B or C


Unknown said...

B


Unknown said...

B


Unknown said...

A


Tlalticpac said...

2^n :) Mechanical advantage


Sandeep Chowdary said...

B


Unknown said...

B


Unknown said...

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.


Iiiiii said...

4


Iiiiii said...

A


Prajakta Thombre said...

B


Unknown said...

b


Unknown said...

B the full weight is pulled
A and C are the same where the weight is halved
That is my view anyway


Unknown said...

b


Unknown said...

C