07.41: For the diagram shown, what is the magnitude of the torq0cvx,h s+lxv8 ue from the applied force ,x8v 0xc+vlhsas measured from the center of the disk?

  98.38: A uniform meter stick of mass 0.20 kg is pivotj:pum h:dr/7x9 rr,t4cl( sv ied at the 40-cm mark. Where should one hang a mass of 0.50 kg to t,hjv: 97xrru/spi: r 4(ldcm balance the stick?

  08.37: A uniform meter stick has a 4v 6ole; g m81rv8khu/x5.0 g mass placed at the cm 20 mark as shown in the figure. If a pivot is placed at the 42.5cm1k8ovxu8 vh/r6 mg;el mark and the meter stick remains horizontal in static equilibrium, what is the mass of the meter stick?

  10.16: Amass M1=40 kg is at the very edge of a 6.0m long plazhy 6nzp2. ao); :kj:knr y mtsg(s,4lnk which is pivoted about its center of mass located directjnmzt ha)sk;ol:zk2y.g r p: 6ys,4(n ly at the center of its length. How 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 pivoted about itsa fix+ :q+4 e* cxkdiqflr40li x7a;,o center of gravity. A mass M1 then is placed at 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 i+*+k,4r ilqad alf4;70xifoqecx:x of the following choices best describes the subsequent motion of the plank?

  12.34: A mass m attached to a light string of lengtht1g x)dp+u jh6 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. Calculated from an axis perpendicular to th1t6)xp +gd ujhe 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 length Land width w sits on a fri3s 9by );pdcvkf xn4h0ctionless incline of variable angle θ . Assume that there is a very tiny pe);svhyp39 nf0 c b4kxdg preventing the box from sliding down the incline at the point labeled P. At what angle of incline will the box begin to tip over?

  11.49: An inverted “V” in static equil )o4,, o2cvi(dazaglrq5 g+eribrium is made from two uniform beams each of mass M=12 kg. Each beam of the z vi4(d+a5,lgr og aq)c re2o,“V” has 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 one end affixed to the ground, is in sxy 8 ow. ;/7aq)ruenhltatic equilibrium A horizontal rope acts 75% of the way up the rod while a vertical rope acts at the 0far end.8)r nxohq e7wau;y /.l 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 conny( h2gm4 v7/cdl.nja moj/0pfected to a wall at the hinge is in static equilibrium as shown. The cable connected to the beam is massless. What are the direc(h 0.c /ydajnmf gv7j2mp/4lo tions of the horizontal and vertical components of force acting at the pivot on the beam?