07.41: For the diagram shown, what is the magnitude of the torque f8wto.sy1y,n *-v7ojuh wo ( qnrom the applied force as measured from the center of the disko8oo, s.n y( nt7yw-j*vuh wq1?

  98.38: A uniform meter stick of mass 0.20 kg is pivoted at the 407y dtdt y 0wt5y;e(8wm-cm mark. Where should one hang a 07tdw y t8y;md5wey( tmass of 0.50 kg to balance the stick?

  08.37: A uniform meter stick has a 45.0 g mad, v1 -vefjc+css placed at the cm 20 mark as shown in the figure. If av,dfe + c1c-jv 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 which bx em6p*l/iv d7r.w7p is pivoted abb dwri6x7mvl 7p e/p*.out 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 that the plank remains in static equilibrium in a horizontal position?

  16.20: A uniform 10.0 m long plank is pivoted a9k -o0oxr v*06 kk8kssn-kowkbout its center of gravity. A mass M1 then is placed at the left edge of the plank and a second mass Mk6os*-k nk8oxk -9vr o sk0k0w2 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 lh.yfu8zo+dj-5kc 6 1w: o xvieength 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 choic .ufx15 kijv+co y: z6ho-dew8es 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 wiggdh8r8 luhc 7..b tu;dth 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 to88 h;u.ucd.7 lg rthbg tip over?

  11.49: An inverted “Vg82 klvmuyl9/ ” in static equilibrium is made from two uniform beams each of mass M=12 kg. Each beam of the “V” has the same length and makes /m9ulky 8v2lg 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 o k vo 3ez)ey21. afbsj.god3g*ne end affixed to the ground, is in static equilibrium A horizontal rope acts 75% of the w*z3bo)va .of 2kegge1 jd3ys. ay 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 wall at804:x-z lx*jpwr hyjwkk8k3 b the hinge is in static equilibrium as shown. The cable connected to the beam is massless. What are the directions of the horizontal and vertical components of force acti:-kxrzk38jhp xww kbl* j048 yng at the pivot on the beam?