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*4–72. Determine the0:01:11

*4–72. Determine the magnitude of the couple forces F #statics

4–71. Two couples0:00:51

4–71. Two couples act on the beam. Determine the magnitude #statics

4–70. Two couples0:00:51

4–70. Two couples act on the beam. If F = 125 lb #statics

4–69. If the0:01:21

4–69. If the resultant couple of the three couples acting #statics

*4–68. A twist0:00:51

*4–68. A twist of 4 N # m is applied to the handle of the screw driver. #statics

4–67. A clockwise0:00:51

4–67. A clockwise couple M = 5 N.m is resisted by the shaft #statics

4–66. The force0:01:31

4–66. The force of F = 30 N acts on the bracket as shown #statics

4–65. Determine the0:00:51

4–65. Determine the magnitude of the horizontal force F #statics

*4–64. A horizontal0:00:51

*4–64. A horizontal force of F = {-50i} N is applied perpendicular #statics

4–63. Determine the0:01:11

4–63. Determine the magnitude of the moment of the force #statics

4–62. Determine the0:01:11

4–62. Determine the magnitude of the moment of the force #statics

4–61. Determine the0:01:11

4–61. Determine the magnitude of the moment of the force #statics

*4–60. The A-frame0:01:41

*4–60. The A-frame is being hoisted into an upright position #statics

4–59. The board0:01:11

4–59. The board is used to hold the end of a four-way lug wrench #statics

4–58. The board0:01:01

4–58. The board is used to hold the end of a four-way lug wrench #statics

4–57. Determine the0:01:11

4–57. Determine the moment of this force F about an axisext #statics

*4–56. Determine the0:01:31

*4–56. Determine the magnitude of the moments of the force F #statics

4–55. The A-frame0:01:21

4–55. The A-frame is being hoisted into an upright position #statics

4–54. The A-frame0:01:01

4–54. The A-frame is being hoisted into an upright position #statics

4–53. Solve Prob.0:01:11

4–53. Solve Prob. 4–52 if the cheater pipe AB is slipped #statics

*4–52. The lug0:01:01

*4–52. The lug nut on the wheel of the automobile is to be removed #statics

4–51. Using a0:01:21

4–51. Using a ring collar, the 75-N force can act in the vertical plane #statics

4–50. Strut AB0:01:21

4–50. Strut AB of the 1-m-diameter hatch door exerts a force #statics

4–49. Force F0:01:31

4–49. Force F acts perpendicular to the inclined plane.Determine the moment #statics

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