FRICTION SOLVED PROBLEMS IN ENGINEERING MECHANICS IN HINDI LECTURE 5  

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Angle wala problem solved Tried many video but no one explained Thank you😊

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Fantastic: all steps in solving the problem are put in a logical sequence or order that helps to keep them into memory. The arguments are complete having all premises before conclusion. Rare combination of good communication with proper reasoning that makes you good teacher

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sir i have below similar problem, but coefficient of friction is also unknown, please guide. 1. A load 750 kg just starts to move when the friction angle is 10 what effort must be applied parallel to the surface to move the block.

sir P=105.23156 N ayega, bcz uska weight jo ki 500cos20 vala component hai vo friction force se jyada hai, to friction uske opposite lagega in the direction of P, then simple mathematics hai, and P=105.23156 N ajayega ji.

sir can u make video to find friction cofficent in inclined surface and min. required force to move block.

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A block weighing 800N rest on an inclined plane whose inclination to the horizontal is 45°. One end of bar AB is connected to the block A while its other end is connected to block B weighing 2000N resting on a horizontal plane. The bar AB is at 30° with the horizontal. Determine the horizontal force P required on the lower block so as to move the upper block up the plane. The angle of limiting friction is 15" at all rubbing surfaces.

Bhot achhe se smjh me arha hai sir

Sir i got the ans in degree mode p=65.77-500cos70°=105.24N

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Next type sir Awesome

If the ratio between compressive strength and tensile strength of a rock is 10, what is the friction angle in degrees?

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Thank you so much sir. Please make a video with motion box over a block in different angle. I need this. It was very helpful also

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Aur ye method har jaga use Kar sakte Kya inclined condition me

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Sir agar block ka motion down side rahega to jo F hai negative x hai oo positive ho jayega or baki jaga change aayega kya

Really very nice explanation Please reply

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The lectures are really helpful, but we need english subtitle for better understanding

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Yes

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Sir what if P is put backword to the box in same right direction(Like force acting backword to the block)

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sir, Belt friction Ladder friction...

ajj ka lectore acha tha

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Thanku sir❤

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Sr some time u will give sin(upward)&cos(right simbol) but some time sin(downward)&cos(left side simbol) .how will change the direction plese explain sr

Good morning. Vertically downward is m×g×sin(70) We don't have to take g=9.81 value

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शुक्रिया सर

Sir,I am from Bangladesh.

Sir answer is wrong . Answer is 105.232N

Thanks sir

Sir wo long method se bhi same answer aayega na