07.41: For the diagram shown, what is *ts2lac kc(6 zthe magnitude of the torque from the applied force as measured zlac2 ck6t (*sfrom the center of the disk?

  98.38: A uniform meter stick of mass 0.20 kg is pivoted al83xkfzg:k ;opy.+av be8:t5gyj 6vtt the 40-cm mark. Whek vgy goxaz5k:pt3 +f. :ve6t 8b;8jylre should one hang a mass of 0.50 kg to balance the stick?

  08.37: A uniform meter st7ffud+- zkb hd; iyn12(xt3p tick has a 45.0 g mass placed at the cm 20 mark as shown in the figurb+2 ;yk( ithxdnt1d f7-zf 3pue. 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 veryordo2r,fzrw l 46,t r9 edge of a 6.0m long plank which is pivoted about its center of mass located direcr o,rw9tr4rold6z ,f2 tly 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 plank is pivoted about fflg:gnabm5 b a e02;3its center of gravity. A mass M1 then is placed at the left edge of the plan25afgf30mel bb:ga ;nk 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 following choices best describes the subsequent motion of the plank?

  12.34: A mass m attached to a light string oft3j3 jo,zygq4q4y4 n m,f1j wi length L is located at an angle θ below the horizontal as shown in the figure to the right. The mass tm nj4fy,q3tg14yzj 4w3i, j oqhen 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 side length Land width w sits oua4ag .msac6 *n a frictionless incline of variable angle θ . Assume that there is a very tiny peg preventing the box from sliding down the ia*.musa acg 46ncline 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 froj a ,1u vuuzw a8 r(sl*2d/-.xh-hwcuym two uniform beams each of mass M=12 kg. Each beam of thlch*hua- 21azw (y-j.,dsuxwv uu/r 8e “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 on8y rqz;a7p b,de 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. What is the value of the angle θ ,d8zqa y p;r7b in the figure?

  16.43: A uniform beam connected to a wall at v t;:+t) janxn8gmvg8 mm57buthe 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 m5 nv+8:nbtugg8)vm;tjxm a7 force acting at the pivot on the beam?