07.41: For the diagram shown, what is the magnitude of the torque from the,uwgvho ( w)tzb /2(he applied force as mew2h g)ztev,(o/ bh( uwasured from the center of the disk?

  98.38: A uniform meter stick of mass 0.20 kg is pivoted at the 40-cm 5+ia0i bzskgyx m5-l1 (sbcy/ mark. Where should one hang a mass of 00-y1(+/ak c zbmbi syxsgi55l.50 kg to balance the stick?

  08.37: A uniform meter lo)5;ud5l9 kmgh 3a(4b upqas stick has a 45.0 g mass placed at the cm 20 mark as shown in the figure. If a pivot is placed at the 42.5cm mark and the meter stick remains horizontal in static equilibrium, what is the mass of the meter stick? s; d5h9aug5l(aoqk4u mp bl)3

  10.16: Amass M1=40 kg is at the very edge of a 6.0m long plank which is pivoted 88b b:b. hjnen+l+apqabout its center of mass located directly at the center of its length. Hon 8a+jb8hpb:ben lq.+w far from the center of the plank (x) should the mass kg M2=80 kg be placed so that the plank remains in static equilibrium in a horizontal position?

  16.20: A uniform 10.0 m long plank is pivota; c1/hj,9mj lkloykp v s6;b4ed about its center of gravity. A mass M1 then is placed a/l1abk, kpj lhm9o4v;6s; jc yt the left edge of the plank and a second mass M2 is placed 1.0 m from the right end. This system is in static equilibrium (shown). If each mass now is moved 2.0 m closer to the center of the plank, which one of the following choices best describes the subsequent motion of the plank?

  12.34: A mass m attached to a lighevll.65k .snh-. n fcht string of length L is located at an angle θ below the horizontal as shown in the figure to the right. The mass then is released from rest.shh .nn 6l-lf.5e.kv c Calculated from an axis perpendicular to the plane of the page through the pivot, which one of the following choices represents the magnitude of the torque produced by the gravitational force acting on the mass at this instant?

  04.33: A uniform rectangular solid of side l t2ehww,e5 ;rfiv.1zb e*e(asength Land width w sits on a frictionless incline of variable angle θ . Assume that there is a very tiny peg preventing the box from sliding down the incline at the point labeled P. At what angle of incline will tse1ewth,vbe f ezw.; *2i5r(ahe box begin to tip over?

  11.49: An inverted “V” in static equilib)*c +9gr6,ry0 g, hdq6kkw ak5gyirwx rium is made from two uniform beams each of mass M=12 kg. Each beam of the “V” *k)gkr+6hqyg,ydgi 5 r0 9w,6 rkcaxwhas the same length and makes an angle of $30^{\circ}$ with the vertical as shown in the diagram. Which one of the following choices best represents the magnitude of the static friction force acting on the left leg of the “V” from the level ground? The coefficient of static friction between each beam and the ground is $μ_s =0.76$.

  17.42: A long uniform rod, pivoted at 7jx2gi ei0j+q1gu1 nw one end affixed to the ground, is in static e70iun 21gg+1e jw xiqjquilibrium A horizontal rope acts 75% of the way up the rod while a vertical rope acts at the 0far end. The magnitude of each rope’s force is the same as the gravitational force acting on the rod. What is the value of the angle θ in the figure?

  16.43: A uniform beam connected to a wald ) cp(d kx*r,ym+yhv1l at the hinge is in static equilibrium as shown. The cable connected to the beam is massless. Whavpyc*dmd(h1y )+rk,x t are the directions of the horizontal and vertical components of force acting at the pivot on the beam?