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20090306153751 - TAM206 Spring semester 2000 Quill T0.1...

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Unformatted text preview: TAM206 Spring semester 2000. Quill T0.1 Name ........................................ Q1 The uniform beam CD is supported at the left end C by a smooth pin and bracket and at the right end by a continuous cable which passes around a frictionless pulley. The lines of action of the force in the cable pass through the point D. A SkN load W is supported by the beam. (a) Draw the free—body diagram (FBD) for the beam CD showing all forces on it and write down the detailed equilibrium equations (10 pts). (b) Find the tensions in the cable and the components of the reaction exerted by the pin at C (20 pts). (c) If the . R location of the pulleys at the wall was changed by \JN « 4 m moving them some distance higher. how will the forces change? (10 pts) .. - - "‘ 4‘ " — A \r~T-; €77 _.WB’ 2 O R + 21 - :2 _ QC fin!) fiTBD - 0 G R — 8 __ 8 = Q +_3_ + 3 -\N 1 Q (:2, GVTA’D @TBD /\ /\ — Is " m: ~4w§ + 8g xE'l‘ms Laygg+3t3§+T (—23—8“+ 3h) \T'T7 " 3 W : 6977 RM WED W 77m EN \Q '77 8 8 Red = (noom : --C:>T : —-W__\A_./hN @ 9% mm W 3:”; 3c = Lo, (0700/ QSOO)N. L? W ROM—0L B W vedficalgtf Wm.deI RC3 Wm, chn W wok: WCOW) ch, =w-fijl_—7TAD= 1% WWW, prww Wail/ow L43) be z‘A TAD__ 4W TAM206 Spring semester 2000. Quiz No.1 Name ...................................... Q2. A 250 lb roller is to be moved over the step by applying a force P as shown. (21) Draw an appropriate FBD when the roller is just on the point of lifting of the lower surface. (10 pts) and (b) using the equilibrium equations. calculate the force P required to move the roller. (10 pts) (c) Determine the reaction components acting on the step. (10 pts) \é. m*C/OW\P Pooo’BOo -- RAUL :. 0 ® ’.'R4X= IL‘IL ‘bc fi-cngp Ps.w30°+RA3—-w = 0 ® anzleSJu on. 63W RAOQ=POQO3OO=§P R33 2 [email protected]‘ ‘72,) “‘chw30~Psm30x3fi-i—W3fi =0 - P -— w(3fi _ w(er7 " : Ov 7 TAM206 Spring semester 2000. Quiz No.1 Name ........................................ (2.3 (a) From the loads shown on the beam. determine the resultant point forces for each distributed load shown and give their points of application. (15 pts). (b) Determine the reactions at A and B (15 pts) Fay-Hz» WW deJOCLOQ/QAA/ AB, SOON/Wt Token, 5000.0sz 4x500 = aoooxv poiqucg QFWM : QMKWO} r4. 514% MW WOW C34 0 if: CaOOIxHM Tm booed; = 7'91" axeoo = 600M. PWCngPflAc/tflbw = fixam MC 2mg :0 § —QxQ8OQ+ 493“ 6x300 + QXSDO+2~XQOO=O 3 4428 = 51,00 + taco — loco -— 4-00 = (9000 98 = tsoom Rina = HoOO M. BR = (H002 + {(0003) N U0 8 z- (5003 N. ...
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