Statics: Lesson 64 - Friction on Wedges, Example Problems

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[@ConceptualCalculus]

When your previous Lesson 64 became unavailable and the error message said it was private, it scared me. I use your vids in my online statics course, so if they evaporated I'd have to adjust pretty rapidly. I was delighted to find that there is a new Lesson 64 to take its place. Evidently you just decided that the old version needed improvements. That's a sign of a real pro, BTW. Your channel and your Statics course are already wildly popular. You could just rest on your laurels. Instead, you are always looking to make it better. I appreciate that.

[@finnbaikie7737]

I hope Jeff knows how much we love him

[@terrancepage9163]

at 10:40 he knew I didn't push pause lmaoooo! Guess ill pause for real this time then. lol

[@GenknownTutorial]

Thank you for the videos, Sir Jeff! They're helpful, as always.

[@RK-tr7wo]

Welcome back sir !! Awesome example.

[@missbanditogaming5246]

Really needed this for finals, thank you

[@manuboker1]

Wonderful Statics lessons!! really taking the time to explain the problems along with a good sense of humor :))

[@jaquequinn7780]

Just as I was looking for this video!

[@odinfarstad9686]

Could P have a negative value so it slides down the ramp?

[@A.Hisham86]

in the block A, shouldn't be a friction between the floor and the block A? then, mu would be dynamic in that case, because the block A moves a little bit, so there should be a friction force that oppose the movement of block A, isn't it? look for instance, in the surface between A and B, there is a friction force, either the block B is moving.

[@connorsimmons5779]

why is friction in the direction of the motion? why wouldnt it be opposite that direction.

[@jackierosales894]

Why is fc upwards? Shouldn't it be the opposite since you said block b is slidding upwards?

[@erazn9077]

The normal force Nc is what’s pushing B upwards, Fc (and Fa) are countering it, so they’re in the opposite downwards direction

[@prabakaran451]

thinking again i agree with Jeff simply becos we r focussed on Block C indtead of Block B.So if Block b slides upwards thrn Fc must act downhill of the slope

[@beautifulday1665]

Can you do more videos on dynamics??

[@EngineersAcademy2020]

u can visit my channel for dynamics!

[@evanroden2225]

Am I still in Statics? No. Did that make me less likely to click? Also no.

[@masonmalone9848]

block b does what👀

[@Acoustic_Mutale]

I took time off from watching this video to fear Denis 🇿🇲🤣 Hint: Annex Wifi

[@TheBloodyKnuckle]

If block B moves, then block A must also move.