In the arrangement shown in the figure, the ends P and Q of an un-stretchable string move downwards

preview_player
Показать описание
In the arrangement shown in the figure, the ends P and Q of an un-stretchable string move downwards with uniform speed U. Pulleys A and B are fixed. The mass M moves upwards with a speed:
....................................................................................................................................................................
#In_the_arrangement_shown_in_the_figure_the_ends_P_and_Q_of_an_unstretchable_string_move_downwards

#fun_with_physics

About This video :-
In this video, Deepak Gupta sir is explaining a question asked in JEE exam.
In the arrangement shown in the figure, the ends P and Q of an un-stretchable string move downwards with uniform speed U. Pulleys A and B are fixed. The mass M moves upwards with a speed:
....................................................................................................................................................................
Useful Links:
Playlists:

Kinematics

Newton's Laws of Motion:

Mathematical Tools

Electrostatics

Magnetism

EMI

Alternating Current ( A.C.)

Optics

....................................................................................................................................................................
About D G Sir:-
Deepak Gupta Sir (D.G Sir) is a renowned faculty of physics. He holds a Master's degree from N.I.T. Jalandhar. He is guiding the students of IIT-JEE and NEET for more than 5 years. Under his guidance, several students have achieved their dreams of going into different IITs, NITs, IISERs, and in, different medical colleges.
.......................................................................................................................................................................................
About This Channel:-
Dear students,
As you all know that IIT JEE Mains / Advance & NEET are one of the most prestigious and competitive exams of the country, for which lakhs of the students appear every year. These exams are known to be one of the toughest exams for which the students work very hard. A lot of coaching institutes provide good quality coaching and materials to the students so that their efforts and hard work can be reduced a bit. But as we all know that these coachings charge very big fees and a lot of students are not able to pay these big amounts.
That's why this channel Fun with Physics is created where you will find all the quality material for IIT JEE Mains / Advance & NEET explained by our expert faculty in a very simple manner, which is being taught at any coaching in India. You can ask your doubts in the comment box, which will be solved by our expert team very soon.
JAI HIND!
....................................................................................................................................................................

Connect with us
Рекомендации по теме
Комментарии
Автор

Sir aap to ekdum NV sir ki trh padha rahe hai wo bhi free me maja aa gya sir thank you so much 😊🥰

RishabhSingh.
Автор

Saw many videos but finally got the one i was looking for ... thank you sir

SamrudhiKamble-qljo
Автор

Thank you so much 🙂🙂🙂
From 🇧🇩🇧🇩🇧🇩🇧🇩🇧🇩

jbt_in_danger
Автор

thank you so much sir maza aa gaya subscribe bhi kar diya i hope in future aap aasi videos bnaoge

rajuuchihadholakpur
Автор

If we solve this directly. Then block m has two force acting at angle 2theta . Also
Vcos theta= u
But Sir
ucos theta is also v
By projecting u on V we get a different answer

rohanverma
Автор

Sir negative sign will come with answer as mass moves opposite in direction of P and Q

ishmancour_pr_et
Автор

Sir aap ne v sin theta ki baar main kyu nahi socha pleae sir reply

MohitSharma-ovmi
Автор

Abee meree Bhai
Alakh Pandey sir ne aapne video lec mai iska ans 2u/cos theta bolla haii
Kyaa krna fhirr 😂😂

Shashtrii