Determine the force P needed to pull the roller

[@nasrinsam5689]

Thank you so much! You saved my life! I wondered how the writer used the momentum over B to get the result.

[@RashmiPai-ru4br]

What to do for pushing?Should we take normal 0 for that case too?

[@esandeep79]

Sir pls send the link of all videos of this book 🙏🏼

[@evandunn593]

they are pretty easy to find

[@anuprai4068]

Thanks a lot sir ❤️🌸

[@judcyrus8246]

ty

[@sanjitpandey552]

Can we do sum of the moment at b = 0

[@dre1150]

no since there is no perpendicular distance for p