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Work and Energy course, Lecture notes of Mechanics

Lebanese UniversityMechanics

Work and Energy course For finals lecture notes

Typology: Lecture notes

2020/2021

Uploaded on 03/18/2021

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Chapter Ww Work Power and Ener Some Mathematical notions Scalar quaatity Pied uw (x,4,3)< ax'+3x4 23, Vector field UCs,9,3) = {(t,9,3) 8 +9 Gda)o +h(x,y3)โ‚ฌ Total derivative and partial detivative. leb a (%, 4,3) then du =D dx + Bidy you gy aX DY 3 Craw je ou (x - 7 a P / 4,3) ots mh โ€”-2ax ' pu _1ay ax at Zz 1 ) โ€”โ€”โ€” = โ€”โ€”โ€”โ€” ox (x+y +y oy Gest sy Qh _- tag 2 oO) (x+y + >) du < abs โ€” (x dx + ydy 4343) Cath or x + y+ ae vt ue 4 = Se aye cA > -24 = =-2a_d โ€˜dr aS aa du r? c duc _oarde _ โ€” ad(r*) ri ~ ri _4S-