07.41: For the diagram shown, what is the magnitude of the torque from t 4ape;glzu +q;r7*zre r c+l(g5 phxqhzh4 o6,he applied force as measured from the center of the da qr+hhe+ozz56rq;zrxhl g* pc4e 74pl,g;(uisk?

  98.38: A uniform meter stick ofdl0i xie 4+:mv -qr3lr mass 0.20 kg is pivoted at the 40-cm mark. Where should one hang a mass ofedirm-vx+i4 l3: qlr0 0.50 kg to balance the stick?

  08.37: A uniform meter stick has a 45.0 g mass placed at the cm 20 mark asas1j g,xvtjz/b 3 6(nb shown in nbj6a/ xtzjvs b31g ,(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?

  10.16: Amass M1=40 kg is at the very edge of a 6.0m long plank xvipu7 p7+ud/ which is pivoted about its center of mass located directly at the center of its length. How far from the center of t7ui+xp7 duv/p he 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 pivh77gyd e7 llshz58v)toted about its 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 t yz5 d)7tl evls7gh87ho 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 cue;as3lg: q6 w) yp9flight 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. 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 torq;:gwfc9pu aesly)63q ue produced by the gravitational force acting on the mass at this instant?

  04.33: A uniform rectangular solid of side lenn7kf + udgawc30j6(d rgth 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 the box begin t7cg(+06 3aj run fdwdko tip over?

  11.49: An inverted “V” in static equilibrium is ml/p cg24o uz,qade from two uniform beams each of mass M=12 kg. Each beam of the “V” has the same length lqu ocp zg2,4/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, ibt rnx4q b 5u vn06nabap912sa5ihc/7s 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 aabbs/ 25 1hut5xn 0r94pcin67a nbvqeach 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 i ;mr7uzfk5og6 n static equilibrium as shown. The cable connected to the beam is massless. What areu7okf g;6mz 5r the directions of the horizontal and vertical components of force acting at the pivot on the beam?