07.41: For the diagram shown, what is the magnitude of the torque from m,3 kb,9kt/dswloj3 ithe applied tdk,9jmoi, k 3ws3lb /force as measured from the center of the disk?

  98.38: A uniform meter stick of mass 0.20 kg is pivoted a0 +7owa4ji;/ vfi egxgt the 40-cm mark. Where should one hang a mass of 0.w/ 0ij+i ; a7goe4xfvg50 kg to balance the stick?

  08.37: A uniform meter stick c;3v b.ay k-:,eeyd klhas a 45.0 g mass placed at the cm 20 mark as shown in the figubvecya.;d3,-ek kl y:re. 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.by 0c /fxzd(j/0m long plank which is pivoted about its center of mass located di0x j(bdyf// czrectly 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 plf4q vgxw5 f*spb;t,/qank 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 thp4q,xfb*5sfqwt; vg / e 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 length L is located aysqs vhm0* 9cl g (v1qzxsy r;63mz.1wx*w(fkt an angle θ below the horizontal as shown in the figure to the righ.cs*9 *1szz wwm3hlx;gys1xvk qr f( y qv(6m0t. 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 produced by the gravitational force acting on the mass at this instant?

  04.33: A uniform rectangular solid of sid284 fj/hie hpte length Land width w sits on a frictionless inclieh84j/ihtp f2 ne 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 to tip over?

  11.49: An inverted “V” in static equilibrium is made from two unifo1wuqv 611qhgzrm beams each of mass M=12 kg. Each 1qv1zgqh16u wbeam 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, pivotedn;k ,l-shy 1h5mwwh m/ at one end affixed to the ground, is 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 each rope’s force is the same as the gravitational force acting on the rod. Wh, h wnmy m-1hkl/h5ws;at is the value of the angle θ in the figure?

  16.43: A uniform beam connected to a wall at the hinge is7 4t ji:u dizomqd-0:s 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 acting at the pivot on thmq- jd7i4t:o0u idzs:e beam?