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Final+Exam+Sample+Problems

# Final+Exam+Sample+Problems - Ill-33 A skier starts from...

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Unformatted text preview: Ill-33. A skier starts from rest at A (30 ft, 0) and descends the smooth lePe, which may be approximated by a parabola. If she has a weight of 120 lb, determine‘the normal force she eXerts on the ground at the instant she arrives at point B. 17-97. The spool 101’ 100 kg ahd a radius of gyration kg =. 0.3 tlié tﬁiefﬁéients of static and kinetic; , friction at A are ﬁn; ¥_0;2'-”ﬁnd' p}: =1115, respebtively, determine the aﬁgul'ar acceleréiion of the 513601 if J" = 600 N. R248.- The drum of mass 'm, radius r, and ragiius of gyratioh k0 roils along an inclined plane for which the . coefﬁcient of static friction is p. If the drum is released from rest, determine the maximum angle 9 for the incline so that it rolls without slipping. ' “3122—24. The pendulum consists of a 30—lb sphere and a 10-11) siender rod. Compute the reaction at the pin Ojust after the cord AB is cut. ' Rn2-38. B is at rest ant} sped A is rotating {it 6 rad /s when the slack in the cog! connecting them is takér'x up.“ Determine __the; angulalf‘yggcity of each sped! i'niﬁicdiétely . after jibe, (:6th jér‘lec'édg fight. The spooIS_- and‘ B have ‘weights‘aanr‘aﬁﬁjgf gyration WA = 30.152391: 6.8.ft‘ and' my: o-§::ﬁ;respectivery; - The 10—kg rod AB Shown in Fig. 18—19451 is confined so that its ends move in the horizontal and vertical slots. The spriﬂg has a stiﬂuess of k : 800 N/m and is unStreiched when 9 = 0". Determine the angular velocity of AB when 6 = 0°, if the rod is released from rest when = 30". Neglect the mass of the slider blocks. 16.126 The linkage ABD is formed by connecting two 4—kg harm a collar of negligible massi The motion of the linkage is controlled beg force P applied to the collar. Knowing that at the instant shown the angu' velocity and angular acceleration of bar AB are zero and 10 raid/52 mum. clockwise, respectively, determine the force P. ' . 0.9 m Fig. P16.126 ...
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Final+Exam+Sample+Problems - Ill-33 A skier starts from...

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