Example-Physics-Lecture Notes, Study notes of Physics

Download Example-Physics-Lecture Notes and more Study notes Physics in PDF only on Docsity! ‘and Iie Susi IFO pRS pole of weight a . a OH A Swin oo R. vce A vavialole Voce i ronbe! P, wk A. stevts Grow BEWD gamely increases | pe % bee ai at . Wheat is Re work of P P= T i moves sloudy , KE =O. sin 8 w= T cos 8 pe wtan 8 wie (Pid ? J Peose a & “$ We 0, wtmb ase Rdo 8, A variable horizontal force P acts ona body while the displacement varies from zero to s. We WRI swe de = wR Ci-ws 8) SS Q =O WwR, Og= FA Increase in Reight af body. docsity.com ‘Consider all Guces otRev Bam gravity: > WtW_= AK+ AU = OE Wee a T Icos @ | | ayl ES) Ay =1(1- cos @). W=O LT aA pak ot nection | AK=0 J sexing vnoved sloaly!] ey W, = AU=D “ at = £(1-cos ©) W, = wit (1- cose) Example Ballistre tra {echovies te aay fovee is wecght, neglect at resistance. Teds trajectories same inchiel xpeed (xe. same total cnevey) dlverd haunc® angles. At prints writ Re elev ion PE is Re same KE is Re Same and tHe Samr For the same initial speed, the Rs ed i Re SANK . speed is the same at all points at the pe same elevation. docsity.com