07.41: For the diagram swbuo9lec) q3pv b,*:f hown, what is the magnitude of the torque from the applied for wb :9eb l*puqcvo),3fce as measured from the center of the disk?

  98.38: A uniform meter stick of mass 0.20 kg is pivoted at the 40-cm mau5b+fp+z kon 1rk. Where should one hang a mass of 0.50 kg to kzu5 p+ +on1bfbalance the stick?

  08.37: A uniform meter stick has a 45.0 g mass placed at the cm 20 mark asz9c0rie9 l,lw shown in the figure. If a pivot is placed at the 42.5cm mark and the meter seiw , l0z9clr9tick 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 is pivot16yee f wz:h8ked 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 plan:8y6fe1kh ezwk remains in static equilibrium in a horizontal position?

  16.20: A uniform 10.0 m long p qypd -,x x0eb0*+jubzlank is pivoted 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 to t , x-*0u0jzdqxpb ybe+he 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 st5fia)i dd7)yvring 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 fo7) fydidavi)5llowing choices represents the magnitude of the torque produced by the gravitational force acting on the mass at this instant?

  04.33: A uniform rectangular solcn:j/ -p o pqi-jsm:h 0bv7y(rm1snt.id of side length Land width w sits on a frictionless incline of varia bs7o ycjq0.pmv :/1j-mn:s tnrh-(pible 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 to tip over?

  11.49: An inverted “V” in statvps42xrxaje xcbp )345t p*y,ic equilibrium is made from two uniform beams each of mass Mr)j,ppx5s a3bxt* pxe v442cy=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 enj.l3.m9wrotajd ) ab8d affixed to the ground, is in static equilibrium A horizontal rope actsbjal )t.wja.m o8d9 r3 75% of the way 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 aiyn7mg iw3d17()syjy7yyg:u wall at the hinge is in static equilibrium as shown. The cable connected to the beam is massless. What are the directions o i7wy)jm:sn(3 71 diyguyyyg7f the horizontal and vertical components of force acting at the pivot on the beam?