4. A uniform board of length 2.25 m and mass 34.0 kg is supported by three ropes, as indicated by the blue vectors in the figure. A 575-N person stands a distance d to from the left end of the board. If the tension in rope 3 is 465 N, find the tension in ropes 1 and 2 and the distance d.
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- A 15.7 m long board is supported from beneath at two locations. One is at the far left end of the board. The other is 1.2 m from the right end of the board. The board has a mass of 39.7 kg. What is the normal force (in newtons) applied by the right support?A 14.0 m uniform ladder weighing 510 N rests against a frictionless wall. The ladder makes a 59.0°-angle with the horizontal. A. Find the horizontal and vertical forces (in N) the ground exerts on the base of the ladder when an 810-N firefighter has climbed 4.10 m along the ladder from the bottom. B. If the ladder is just on the verge of slipping when the firefighter is 9.40 m from the bottom, what is the coefficient of static friction between ladder and ground? C. If oil is spilled on the ground, causing the coefficient of static friction to drop to half the value found in part (b), what is the maximum distance (in m) the firefighter can climb along the ladder from the bottom before the ladder slips?2. A car is parked on a slippery hill. The hill is at an angle of 150to the horizontal. To keep it from sliding down the hill, the owner attaches a cable at the back of the car and to a post. The mass of the car is 1.41 x103kg. Write the equations for the conditions for static equilibrium along the horizontal and vertical directions. Calculate the tension in the cable. Assume there is no friction between the road and the tires
- How do you do this? A hungry bear weighing 700 N walks out on a beam in an attempt to retrieve a basket of goodies hanging at the end of the beam (see figure below). The beam is uniform, weighs 200 N, and is 6.00 m long, and it is supported by a wire at an angle of ? = 60.0°. The basket weighs 80.0 N. a) When the bear is at x = 1.00 m, find the tension (in N) in the wire supporting the beam and the components of the force exerted by the wall on the left end of the beam. b) If the wire can withstand a maximum tension of 875 N, what is the maximum distance (in m) the bear can walk before the wire breaks?A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 192 N and is 2.9 m long. What is the tension in each rope when the 710-N worker stands 1.16 m from one end? smaller tension N larger tension N70° 50° 0.81 3. A 19.0 kg mass is hanging from a point 0.8 of the way up a 9.0 kg, 2.3 m long uniform beam that is attached at a 50° angle to a vertical wall as shown above. One end of a cable is attached to the end of the beam, while the other end of the cable is attached to the vertical wall at an angle of 70°. Find the tension in the cable.
- A uniform beam with a length of 2.50 meters and a mass of 85.0 kg rests on two ropes. A person of mass 65.0 kg is standing on the far right end of the beam. The beam is not moving.Calculate the tension in the rope on the left, in Newtons (N).Calculate the tension in the rope on the right, in Newtons (N).When a person stands on tiptoe (a strenuous position), the position of the foot is as shown in Figure a. The total is supported by the force n exerted by the floor on the toes of one foot. A mechanical gravitational force on the body, F model of the situation is shown in Figure b, where T is the force exerted by the Achilles tendon on the foot and R is the force exerted by the tibia on the foot. Find the values of T, R, and 0 when F, = n = 770 N. (For 0, enter the smaller of the g' two possible values between 0° and 90°.) -Achilles tendon Tibia 15.0° 18.0 cm 25.0 cm a T = R = N = Submit AnswerA 5 kg beam 2 meters long is used to support a 10 kg sign by means of a cable attached to a building. The signs hangs from the end of the 2 m long beam, and the cable makes a 40 degree angle with the beam. What is the tension in the cable?
- A uniform plank of length 2.00 m and mass 25.5 kg is supported by three ropes, as indicated by the blue vectors in the figure below. Find the tension in each rope when a 710-N person is d = 0.500 m from the left end. magnitude of T magnitude of T, N magnitude of T3 N T, T 40.0° -2.00 mA 3.0-m -long ladder, as shown in (Figure 1), leans against a frictionless wall. The coefficient of static friction between the ladder and the floor is 0.50. Figure L=3.0 m 1 of 1 Part A What is the minimum angle the ladder can make with the floor without slipping? 0min = Submit VO ΑΣΦ Provide Feedback You have already submitted this answer. Enter a new answer. No credit lost. Try again. ? Previous Answers Request Answer O3: #3 4. A 115 kg scaffold is 6.60 m long. It is hanging with two wires, one from each end. A 600 kg box sits 1.70 m from the left end. What is the tension in the right hand side wire?(g = 9.8 m/s²) X 4929 Newtons E D 80 F3 C 5. An object weighing 255 N is supported by a uniform 135 N horizontal beam as shown in the figure. The length of the 4 R F F4 V do 50 % T F5 G ^ 6 B tv MacBook Air Y H & 7 N AA F7 U J * 00 8 M DII F8 1 K DD F9 О F10 P 10 zoom C { + ISOIT P by m 04 M vamies or roe puffer F12 delete 1 EL