07.41: For the diagram showok);.e,ib. y l ehs;bjn, what is the magnitude of the torque from the applied force as measured from the e)b; eoh,. k;ylijs .bcenter of the disk?

  98.38: A uniform meter stick of mass u2u ,i0y fa;io t)tw9frv0 6qz0.20 kg is pivoted at the 40-cm mark. Where should one hang a mass ,0 zu2rvy9itfafot0i quw6 );of 0.50 kg to balance the stick?

  08.37: A uniform meter stick has a 45.0 g mass place q(mgqbs7a (be;iop9lhi7lc 8 (f7zf7d at the cm 20 mark as shown in the figure. 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 mei f(e l(c7ab ;hb i9(77fmgp87qlzosq ter stick?

  10.16: Amass M1=40 kg is at the very edge of a 6.0m long plank which is pivo kk;jpi go .8g-m.rod2ted about its center of mass located directly at the center of its length. How far from the k.odok2 ;g-mipr.j8gcenter 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 about its center of j yq)+(sdljq;*vw-idz k*,ime(5 cy wgravity. 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 lej5(c,q(dw+wiz ids k *)-yvmqy;* jto the center of the plank, which one of the following choices best describes the subsequent motion of the plank?

  12.34: A mass m attachedvw2rc 8mn,xb . 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 re.xnwv2mcrb ,8 st. 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 side length Land width w sits on a frictipq5;ikie) latkok 2 25onless incline of variable angle θ . Assume that there qakk5ot p li 22k)ei;5is 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 fromevh3)i;uwo x/i 2w6lx two uniform beams each of mass Me)w3ixxi2wlvo 6;h u/ =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 end affixed to the ground, is 8d, nmpvu6/ nasw)q8sfozi/2in static equilibas6n,p/v 28sfu 8 )/qwzdinmorium 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. What is the value of the angle θ in the figure?

  16.43: A uniform beam conx0j x kfb.zy2)nected to a wall at 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.2 0)fy xxkjbz components of force acting at the pivot on the beam?