07.41: For the diagram shown, what ia;d uzs,m iw/:s the magnitude of the torque from the applied force as u,z;m:wds/ iameasured from the center of the disk?

  98.38: A uniform meter stick of mass 0.20 kgk ,1cbq5je8sk7vnv2 d is pivoted at the 40-cm mark. Where should onekkj vd7sb 8c2,5 en1vq hang a mass of 0.50 kg to balance the stick?

  08.37: A uniform meter stick has a 45.0 bmbd5p 1ovebm -o ):ot6( wn-sg mass placed at the cm 20 mark as shown in the figure. If a pivot is placed at the 42.5cm mark and bo-( ):6wbovembspnm5od-1tthe 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 0 nq3 zkd)6;d8 befs g.yhzqw/plank which is pivoted about its center of mass located directly at the center of its length. How far from the center of th3hybn k8g;f .w/qdzez q)6 ds0e 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 szdwbzh5;(3 s)kv0fn 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 the center of the plank, which one of the followih vn53 0b k)wszdf;(zsng choices best describes the subsequent motion of the plank?

  12.34: A mass m attached to a light string of length L is located at an ang a hd3jub )4mbl65y)tble 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 produced by the gravitational force acting on the mass aub m )5abbl)t h3jdy46t this instant?

  04.33: A uniform rectangular solid o,:j2 6k wvbzczf 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 incline willvkj6z:c,bwz2 the box begin to tip over?

  11.49: An inverted “/+kinp 3itygdju8v ja1);e7mV” in static equilibrium is made from two uniform beams each of mass M=i e3p y; gk)d/jnt18iv7ma+ju12 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 thei,le b+f0tq0l fe5st. ground, is in static equilibrium A horizontal rope acts 75% of the way up the rod while a vertical rope acts at 0 q+l, ei5tf.0tlsbfe 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 connec- 0 bv0axoi(hpfqj3y:ted 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 componx ob: (y0 hfav-03qpijents of force acting at the pivot on the beam?