Where must an 800-N weight be hung on a uniform 100-N pole so that a boy at one end supports one- third as much as a man at the other end?
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Where must an 800-N weight be hung on a uniform 100-N pole so that a boy at one end supports one- third as much as a man at the other end?
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- Question 1: #51 A 3.0-m-long rigid beam with a mass of 100 kg is supported at each end, as shown in Figure below. An 80 kg student stands 2.0 m from support 1. How much upward force does each support exert on the beam?A uniform 37.0 kg scaffold of length 6.2 m is supported by two light cables, as shown below. An 82.0 kg painter stands 1.0 m from the left end of the scaffold, and his painting equipment is 1.6 mfrom the right end. If the tension in the left cable is twice that in the right cable, find the tensions in the cables (in N) and the mass of the equipment (in kg). (Due to the nature of this problem, do not use rounded intermediate values in your calculations).A 3m long weightless beam is supported at each end by cables. A painter weighing 900N stands 1m from the left cable. Calculate the tension in each cable. Please provide complete solution with figures
- If it takes 5.30 N to stretch a spring 7 cm, and if the spring is then cut in 9 equal pieces, what force (in N) does it take to stretch one of the pieces 7 cm?A 2.00 m long horizontal uniform beam of mass 20.0 kg is supported by a wire as shown in the figure. The wire makes an angle of 20.0 degrees with the beam. Attached to the beam 1.40 m from the wall is a ball with a mass of 40 kg. What is the tension in the string? a)1,000 Nb) 1,090 N c) 2,100 N d) 2,250 N e) 2,680 NWhen you lift an object by moving only your forearm, the main lifting muscle in your arm is the biceps. Suppose the mass of a forearm with hand is 1.60 kg. If the biceps is connected to the forearm a distance of 2.4 cm from the elbow, how much force must the biceps exert to hold a 42 N ball at the end of the forearm at distance of 36.0 cm from the elbow, with the forearm parallel to the floor, in Newtons? Use g = 10.0 m/s2. Your answer needs to have 3 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
- Weights of 2, 4, 6, and 8 N are fastened to the corners of the 2m x 2m frame. If it weighs 10 N, where would the fulcrum (the support point) be placed to balance the frame and the weights?What's the force on each rope if the person is standing 1.75 m from one end?A 1,375 N dowel is held in place by a light cord at an angle = 25.5° to the horizontal as shown in the figure. The dowel is attached to a pivot at the bottom, and a mass of weight w= 1,825 N hangs from its top. The dowel makes an angle of p = 64.5° with the horizontal. Assume the dowel is uniform. (a) Find the tension in the supporting cord (in kN). KN (b) Find the components of the reaction force (in kN) exerted by the floor on the dowel. horizontal component: magnitude direction KN -Select-O vertical component: magnitude direction kN --Select-O
- A hungry bear weighing 735 N walks out on a beam in an attempt to retrieve a basket of goodies hanging at the end of the beam (see the figure below). The beam is uniform, weighs 200 N, and is 7.00 m long, and it is supported by a wire at an angle of 0 = 60.0°. The basket weighs 80.0 N. (a) Draw a force diagram for the beam. (Submit a file with a maximum size of 1 MB.) Choose File No file chosen Goodies This answer has not been graded yet. (b) When the bear is at x = 1.14 m, find the tension in the wire supporting the beam. X Your response differs from the correct answer by more than 10%. Double check your calculations. N Fx When the bear is at x = 1.14 m, find the components of the force exerted by the wall on the left end of the beam. (Assume the positive +x direction is to the right and the positive +y direction is upward. Include the sign of the value in your answer.) = X Your response differs from the correct answer by more than 10%. Double check your calculations. N = X Your…A 125-kg horizontal beam is supported at each end. A 325-kg mass rests one fourth of the way from one end. What weight must be supported at each end?A 100-N board 12-m long, rests on two supports, one support is 1m from the end and other is 3 m from the end of the board. A 400-N block is placed on the board 3 m from one end. Find the force exerted by each support on the board.