A uniform board of length L and weight W is suspended between two vertical walls by ropes of length L/2 each. When a weight w is placed on the left end of the board, it assumes the configuration shown in the figure below. Find the weight w in terms of the board weight W. L L 2 35 60° 19,2º
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- $ 4 101 R F V A uniform, aluminum beam 9.00 m long, weighting 300 N, rests symmetrically on two supports 5.00 m apart. A boy weighing 600 N starts at point A and walks toward the right. (Figure 1) Figure < 1 of 1 % f5 5 T G B f6 Y H OD & N 7 B f8 * 4+ 00 8 M fg K ly 9 Part A How far beyond point B can the boy walk before the beam tips? VE ΑΣΦ ? 1 = Submit f10 | Request Answer Part B How far from the right end of the beam should support B be placed so that the boy can walk just to the end of the beam without causing it to tip? IVE ΑΣΦ ? 8:44 P 5/29/202 BA P 8 O 1 = Submit 99+ L alt Request Answer Pearson f11 hulu f12 ctrl [ + (6 = الالالال ins prt sc m ] pause m delete backspace ^ V home Review | Constants enter num lock T shift end 7 home ↑ A endIn the figure, a uniform beam of weight 440 N and length 2.3 m is suspended horizontally. On the left it is hinged to a wall; on the right it is supported by a cable bolted to the wall at distance D above the beam. The least tension that will snap the cable is 1100 N. What value of D corresponds to that tension? Cable Вeam Number i UnitsB-3 Jae, whose mass is 65.0kg is standing Im from the end of a uniform diving board 8m long. The diving board is supported at point 'A' by a pin and at point B by a frictionless wedge as shown on the figure. The diving board has a mass of 100kg. Jaer A Find the magnitude and direction of the force of the supports on the board at points 'A' and B. Imk 2m 5m Apply the static equilibrium conditions to the Jae+beam system. 99+ 團 op
- A 40.0kg uniform platform is suspended by two cables, 2.00m apart, where the centre of the platform lies midway between the cables. A 5.00kg paint bucket is placed on the platform, 24.0cm to the right of the right cable. Determine the tension in each cable.A uniform ladder weighing 490 N rests against a frictioniess wall. The ladder has a length L = 14.0 m and makes a 59.0° angle with the horizontal ground. An 820 N firefighter has climbed d = 4.20 m along the ladder from the bottom. Find the coefficient of static friction Hs between the ladder and the ground. O 0.863 O 0.225 O 0.119 O 0.332 O 0.567A uniform, 3.0 m, 1150 kg beam is hinged to a wall and supported by a thin cable attached 2.0 m from the free end of the beam (Figure 1). The beam is supported at an angle of 30.0 above the horizontal. Figure 40.0⁰ 30.0⁰ 1 of 1 2.0 m ▼ Find the tension in the cable. Express your answer to three significant figures and include the appropriate units. T= Submit Value Part C 1 O Units www A Previous Answers Request Answer X Incorrect; Try Again; 9 attempts remaining Units input for part B ? How hard does the beam push inward on the wall? That is, find only the horizontal component of the force. Express your answer to three significant figures and include the appropriate units. BOL 11 ?
- The uniform diving board has a mass of 26 kg. Find the force on the support A when a 69 kg diver stands at the end of the diving board. E 09 m + 3.6 m A6m T 10m A 8m Figure 4 A B 6. A horizontal beam AB of mass m = 20kg is supported from end B by a cable and hinged to a A vertical wall at end A. Calculate the magnitude of the tension T in the cable when Batman, who has a mass M = 80 kg, stands midway along the beam. What are the x and y components of the force at the hinge?A uniform drawbridge must be held at a 38o angle above the horizontal to allow ships to pass underneath. The drawbridge weights 55000 N and is 15.0 m long. A cable is connected 3.5 m from the hinge where the bridge pivots (measured along the bridge) and pulls horizontally on the bridge to hold it in place. What is the tension in the cable? Find the magnitude and direction of the force the hinge exerts on the bridge. If the cable suddenly breaks, what is the magnitude of the angular acceleration of the drawbridge just after the cable breaks? What is the angular speed of the drawbridge as it becomes horizontal? What is the velocity of the drawbridge, just before it “hits” (i.e. goes horizontal)?
- Physics sample problems about vectors. Thought I knew how to do them but keep getting wrong answers.A uniform plank of length 2.00 m and mass 30.1 kg is supported by three ropes as indicated by the blue vectors in the figure below and θ=19.1°. Find the tension in each rope when a 3.71 kg cat has decided to sit at a distance of d = 0.545 m from the left end.A shelf bracket is mounted on a vertical wall by a single screw. S S2 S1 Neglecting the weight of the bracket, and if s = 6.4 cm, s1 the horizontal force component exerted on the bracket by the screw when a 95.2 N vertical force is applied as shown. Imagine that the bracket is slightly loose. 5.4 cm and s2 = 2.2 cm, find =