07.41: For the diagram shown, what is the magnitude of the torque from tjfxg jn6hjxl)-1 z:h(he applied force a-(jnflgzxx :)j 61hh js measured from the center of the disk?

  98.38: A uniform meter stick of mass 0.20 6 ls zx;u::gwgyb,dgzp 0uw 93kg is pivoted at the 40-cm mark. Where zsgw ggb,0z p6u x:uy;9 wdl3:should one hang a mass of 0.50 kg to balance the stick?

  08.37: A uniform meter stick has a 45.0 g mass placed at the cma+h zf84y -hfs 20 mark as shown in the figure. If a pivot is placed z8hf h-fs4+ ayat 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 atn9 h3euf 7gc2d6+y 0auwm pxl7 the very edge of a 6.0m long plank which is pivoted about its center of mass located directly at the center of its length. How far from the center of the plan+mx 0u ng29c7updfe 3hywl7a6k (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 :crtbp5 dq0w3zb9d) g 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, whr:wzqc 39g pd 0)dtb5bich one of the following choices best describes the subsequent motion of the plank?

  12.34: A mass m attached to a l( 7o) mne eil34 msb4yk6whasw4ja:g1ight 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 rest. Calculated from an axis perpendicular to the plane of the page through the pivot, which one of the following choices represents the magnitude isaaw44m471ne hj ow 3s )g:k(y l6bemof the torque produced by the gravitational force acting on the mass at this instant?

  04.33: A uniform rectangulao7e* 2ygnb1itw uu+j 7r solid of 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* gy7w u+j71iebuno 2t 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 9qyk. 7hz +:c.sgjk0ah5b ggjis made from two uniform beams each of mass M=12 kg. Each beam of the “V” hasjk q+kg5s: jh0bg.9c7.zy h ga 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 atc :cwk80pb zun h,j* alo1ie sub,:*5d 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 hbc*cd:l ek1j op,05ai uw*8:u ,s nzb0far 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 t:tgb- 6t/ow zzo a wall at the hinge is in static equilibrium as shown. The cable connected to the/owz6:t g zt-b beam is massless. What are the directions of the horizontal and vertical components of force acting at the pivot on the beam?