07.41: For the diagram shown, what is the magnitude of the torque f6o /:cjxbx,o krom the applied force as measured from t6oc,kxboxj:/ he center of the disk?

  98.38: A uniform meter stick of mass 0.20 kg is pivoted a)5d sxx y mbzkgs/6:3zt the 40-cm mark. Where should one hang a mass of 0.50 kg tsbks 5ymx)x:z /3zdg6o balance the stick?

  08.37: A uniform meter stick has a 45.0 g mass placed at the cm 20 mark as x-. yrl4 lhr:cshown in the figure. If a pivot is placed at the 42.5cm mark and the meter stick remains horizontal in static equilibrium, what ilyxh -r. c4lr:s the mass of the meter stick?

  10.16: Amass M1=40 kg is at the very83h/vxf8ui8 b+epmao edge of a 6.0m 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 pv83 f+a8i/8mbhup xe olank (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 pivoted5wdxvt i fa;g;hg,(crr6zr:( about its center of gravity. A mass M1 thenhrw6f,(:d (izc5 ;;r rggxtva 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 following choices best describes the subsequent motion of the plank?

  12.34: A mass m attached to a light string of length L is x 1lude zy,yjr8dk /87located 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 the plane of the page through the pivot, which one of the following choices represrld18x uyk7e,zy 8jd/ents 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 j lr+q5:r5 drfq a9qs(width w sits on a frictionless incline of variable angle θ . Assume that there is a very tiny peg preventinqj+ l: 9ds5qfr(r rq5ag 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 equilibrium is made from two uniform beafs7e..p 5uig hms each gsi .h5pef.u7 of mass M=12 kg. Each beam of the “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 affoc d +-8oite6q8rdu3wfz)ue ;ixed 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 utde 86edq u 8c- o)wf3;rzo+i0far 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 connect(,mgwqw yt3bs n1n(cdh c79t:+7waxj ed to a wall at the hinge is in static equilibrium as shown. The cable cjww+q ag7 mt 1nxt(d3 w,nh9:yc7b s(connected to the beam is massless. What are the directions of the horizontal and vertical components of force acting at the pivot on the beam?