07.41: For the diagram shown, what is the magnitude of ;tiv8fl) aydi*g)c 0b the torque from the applied for;)yi0l)8bdvt *cfg iace as measured from the center of the disk?

  98.38: A uniform meter stick of mass 0.20 kg is pivoted at the 40-cm mark. Whjn fbluaq mdjp29e+5 *x1 35sdere should one hang a mass of 0.50 kg to balance the lf+1s mnxq9p 2ju*de5 j35abdstick?

  08.37: A uniform meter stkwdqh :+b ewg(1fv6sm/;o .oiick 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 statig:( oiqmkb.wvf/hs;d16+e ow c equilibrium, what is the mass of the meter stick?

  10.16: Amass M1=40 kg is at the very edge of a 6y vzbgki:*mld, :2sz 4.0m long plank which is pivoted about its center of mass located directly 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 t4z:d:iv mzk* gb, lsy2hat the plank remains in static equilibrium in a horizontal position?

  16.20: A uniform 10.0 m long plank is pivoted about its cenxq,fp2 0wr;ygter 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 of the followinxqfg0y p2w, r;g choices best describes the subsequent motion of the plank?

  12.34: A mass m attached to a light string o.oa b xay) rqus0;*:nqf length L is located at an angle θ below the horizontal as shown in the u.o b:*rq synqa ax)0;figure to the right. The mass then is released from rest. 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 length Land width w sits on a frfn nxx,8 9su l8 1:8rxbd+orteictionless incline of variable angle θ . Assume that there is a very tiny peg preventing the box from sliding dow:rt e8 f,+o8 s 8d1nurbn9xxxln 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 equilibrium is made from two uniform beamz0 evs1;u k;y4t+u ekns each of mass M=12 kg. Each beam of the “V” has the same lengz4+;s;ueev ku1y0 ktnth 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 t8ze84w d5ou v *fijp5w/o3ee at one end affixed to the ground, is in static equilibrium A horizontal rope acts 75% of the way up the rod while a vertical rope acts at the 0far end. The magnitude of ea4ztdw o/eo58 *ujviepfw 8e35ch 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 wall at the hinge is in static equtn*1 uavzu-:x ilxz 3me+h s jk1(61i1d;jilhilibrium as shown. The cable connected to the beam is massless. What are the directions of the horizontal and vertictu zh+j i;i z11a kvl mdsl6*:x- hu1i3n1e(jxal components of force acting at the pivot on the beam?