07.41: For the diagram shown, what is the m c, s)7seeak3:d.w irmagnitude of the torque from the applied force as measured from the center of the dia )wsdcise7.m3e,r :k sk?

  98.38: A uniform meter stick of mass 0.20 kg is pivoted at the 40-cm +bkesq67ym+i mark. Where should one hang a mass of 0.50 kg to balance6yibksm+ e q+7 the stick?

  08.37: A uniform met3x u6k c z(g9o81q2is cecvxm*er stick 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 st61(occz89esg3ux m qvk*c ix2ick 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 i0 z-zq0 wloiw4s 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 reo-z4wwl 00zi qmains in static equilibrium in a horizontal position?

  16.20: A uniform 10.0 m long plank is pivoted about its center of g*cbiacmpf19 2 ravity. 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 imf p2*bc9c a1in 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 atta v41(a;ajq 0eb oea d*c znx x+c9x9poorl4:6gched to a light 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 torque pro4r+oxdc xlxae0 oqc 4anap*91bvz o g:;j6e(9duced by the gravitational force acting on the mass at this instant?

  04.33: A uniform rectangnf n7 sy e4/9gda**uawular solid of side length 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 n we/7g *dnuy*4aas f9incline will the box begin to tip over?

  11.49: An inverted “V” in static equilibrium is made from tv,m 9n-gql6z uwo uniform beams each of mass M=12 kg. Each beam of the “V” has the same length and makes an angle q6zl 9m-nuv,gof $30^{\circ}$ 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 shsj53 f ;orz5mihs9l5vx+0krtatic 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 homkr0 jvzix553 hfr;ss +9l5force 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 thu 5 or)3 spb5winxqf7atf.z67r6r(loe 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 ao orz uif6tnafwl7r7s5) pqxr5(.b 63cting at the pivot on the beam?