07.41: For the diagram shown, what is the magnitude of the torque from the ap uo9ide9m of5; p-t. y,(z,) tgrviigjplied force as measured fro.;m5 g poztdr i9 oyfv -i(9ije,tgu),m the center of the disk?

  98.38: A uniform meter stick :7g+cb(v ilb; jo+jladoe-/b of mass 0.20 kg is pivoted at the 40-cm mark. Where should one hang a mass of 0.50 kg to balance t b /id7:oe oj+lbvj c+lg-;ba(he stick?

  08.37: A uniform meter stick has a 45.0 g mass placed at the cm 20 mark o(ezhr 8 8b6dsyzr0*s if/r o/as shown in the figure. If a pivot is placed at the 42.5cm mark and the r/ hyd(zroi 8rs/08*fb6zo se 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 whif.b1o,1w29am gx g bxach 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 that the plank remains in static eq, obb9gax1xfgwma.21 uilibrium in a horizontal position?

  16.20: A uniform 10.0 m long plank is pivoted about its:o8zs sdj zhf u9dod1m 8b21*d center of gravity. A mass M1 then sdubmhzd12 j8fo8dz: 19sod*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 stri1gg*izn v/0 ,cxbj vk9hx1ow3ng 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 av3c , ni 101xohw9vkzxj b/gg*xis 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 recygw3a izek((3 tangular solid of side length Land width w sits on a frictionless incline of variable angle θ . Assume that there is a i w(kaz3y(eg3 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 to tip over?

  11.49: An inverted “V” in static equilibrium is made from two uniform beams eass f/ltll08 v. gm/jf2ch of mass M=12 kg. Each be2fgfv/./st8s 0l ml jlam 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 affixed to the ground, is in cwe h+99(0t,qdlp e dxsy;d 7hstatic equilibrium A horizontal rope acts 75% of the way up the rod while a vertical rope acts at the 0far end. The magnitude of each rope’s dh9hdx w e7de9( yq psct,;+l0force 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 conno5 44ykdgb: utected to a wall at the hinge is in static equilibrium aou g ty4d4bk5:s shown. The cable 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?