Question

1. The bar AB rotates at constant 10 rad/s (a = 0 rad/s?) in the counterclockwise direction Determine: B D 0 1 1 m -450 S C 1 m 1 m

Answer 1

laithe Coordinate of all joints unite in na com. and All A = (0,0)., B=(!!), 0-[Q,1] - Q,0), G. - [0.5, 0.5] G2 = (105,), 63-(2,0-5) Find the position vector AB. hola= ( ti îm. ģ ple ] (+1] =l1 )=3 DIB cet B 6 xr V = BIA kg Find the velocity = Ta + = 0 + (10 € 3x [ i î tij stio i tio i ] mis

BD یا Find the velocity at 6 wing vo - Tot To so Jolie Elo 9+ 10 î] to BA -10 i + [lot wool ?> wsing liv De + كما ) . et role Find the velocity of To = [weo Êxo * J To 2 Loco سا From Equations ① and ②, compare ia componenty -10 = 10 radl see countr clockwise direction (ccw] 10+ w BD - 160 BD 2-10 gadlare = 10 rad see [c! clockwir directiu ]

Find the Acceleration at B . AB ao = 0 +0 - (101 [ ง) + To - 100 100 min 3 Find the Acceleration at b. 3x3 DIA co Paolo + 2009 BD 1 Eloo BO -1009 ] + [d - ( 1677[if] + [-100+ 480] - 200 - 200 3 at D Fend the Accel alatia a + I Dl wo. Book 50+ [Q Extî l-610 [11] CD Lep î - 100

compare saucetione 6 and a in component. 100 rad sec, counter cloaktive direction (ecol 9 - components -100 + 2BD Too Rooz,o] Riad the Acceleartion at Gl-cento of mags link AB 2 + ämsä 3 - 19, = 0 +0 - Co] [oon itong h] - 150 - 503 Pan

the Find mago itude of acceleration of Gi. of As. lal= 5€50)+ (-50% ni 70.7 mleeat Find the acceloration of & of lenk BD a = a + 2 Baza waz = [-100 - 100 î] +0-60] (0.67] = Elgoi_100 f I mleach Aceelaatia of g magnitude Find the az of BD. Jaurl=56 158774 [-1007? 180028 mlser

Acceleration of the of Find the dent Co. 18 à 63 act 4 Y CO = 0 + (100 fx og î] -(107)(0-5 ] -[- 50 - - 50 Ì I mlecen Find the magnitade of A ceel excetia of Gz og Co. lanl=5€ 507+ E50] aas! Tool1 m/see

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