43) A 9.00-kg hanging weight is connected by a string over a pulley to a 5.00-kg block that is sliding on a flat table (Fig. P5.24). If the coefficient of kinetic friction is 0.200, find the tension in the string. 5.00 kg 9.00 kg Figure P5.24 Problems 24 and 43.
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A 9.00-kg hanging weight is connected by a string over a pulley to a 5.00-kg block that is sliding on a flat table (Fig. P5.24). If the coefficient of kinetic friction is 0.200, find the tension in the string.
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- Adapted from Young and Freedman (14th edition) exercise 4.4, page 124. A man is dragging a 50kg trunk up the loading ramp of a mover's truck at constant speed. The ramp has a slope angle of 20.0° and the man pulls upward with a force whose direction makes an angle of 30° with the ramp (Fig. E4.4). The dynamic coefficient of friction between the trunk and the ramp is 0.2. Give all answers to 3 significant figures. Use 9.8 m/s² for g. (a) What is the magnitude of the normal force provided by the ramp? FN = N (b) What is the force | required to drag the trunk up the ramp? N Submit You have used 0 of 8 attempts -30.0⁰ 20.0° Figure E4.4 Save All Right CalculatorA traffic light weighing 122 N hangs from a cable tied to two other cables fastened to a support as in Figure 5.10a. cables make angles of 0, 37.0° and 0, The upper = 53.0° with the horizontal. These upper cables are not as %3D %3D strong as the vertical cable and will break if the tension in them exceeds 100 N. Does the traffic light remain hanging in this situation, or will one of the cables break?A 34.3 kg child is sitting at the top of a slide, which is inclined at an angle of 40 degrees with respect to the horizontal. What is the minimum value for the coefficient of static friction that allows the child to stay at rest at the top of the slide?
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