Q1) Pulley systems containing one, two, and three pulleys are shown. Neglecting the weights of the pulleys, determine the force T required to support the weight W in each case. W (a) One pulley W (b) Two pulleys W (c) Three pulleys
Q: What is the ideal mechanical advantage of this pulley system? A F TP Р n 0.25 B 2 4 D8
A: Applied force = F weight of hanging object = P Number of pulleys in the system = 4
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- Answers: 2.4rad/s 0.84 effiiciency 94kW power output please answer all partsCat =2N Fe 20m 10m Fe 20m 2m Fe 20m 18m Refer to the illustrated lever systems to fill in the correct answers within the blanks below. You may use a calculator or the calculator provided with the question for lever calculations. The resistance arm and effort arm for lever A are 10 meters. Using lever A; How many newtons of effort force is required to move the 2N cat? type your answer... There are 3 lever systems illustrated. Which lever system will require the greatest effort force to move the 2N cat? Lever Mantee AnguerSuppose a person wishes to lift a large rock with a lever. If the rock has a mass of 250kg and is located 50 cm from the pivot, and the person can put a force of 650N straight down on her end of the lever, what is the minimum distance from the fulcrum she has to be to lift the rock?A. 0.63 m B. 1.24 m C. 1.88 m D. 2.73 m
- A lever has the following dimensions: Resistive force distance: 15 cmEffort force distance: 85 cm If you can exert a maximum effort force of 800 N, what is the maximum resistive force you can lift with the lever?a) For each of the weightless and frictionless pulley systems (a) to (e) in Figure Q5a: Determine the tension (T) required to lift and hold a 1450 N crate in static equilibrium for each of the pulley systems (a) to (e). Use g = 9.81 m/s2 and give your answers in newtons (N) to two decimal places. (i) Determine the ideal mechanical advantage (IMAPulley) for each of the pulley systems (a) to (e). (ii) (iii) Determine the reaction force where the pulley wheel is connected to the ceiling for each of the pulley systems (a) to (e). Use g = 9.81 m/s² and give your answers in newtons (N) to two decimal places. (a) (b) T (c) T (d) T (e) TWork You are moving, which requires that you push a box up hill (as shown below). The box has a mass 27.0 kg and the hill has an angle of 31.0 There is friction between the box and the hill. You push with a constant force parallel to the hill of Push = 225.0 N and the box moves with a constant velocity = 4.00 m/s up the hill. The time it takes you to push the box up the hill is 8.50 s. What is the work you do pushing the box up the hill? * You can find the distance you pushed with the information given. Motion Воx Your answer should include the following: 1 Decimal Place Correct SI Units Appropriate sign (only needed for negative answers) Answers must be in the following format: Written out and NOT in scientific notation Acceptable: 278.40 Not Acceptable: 2.784 x 102 Your Answer: Answer units