A 62-kg person stands at the end of a 4.0-m-long diving board, as shown in the illustration. Determine the magnitudes and directions of each of the forces that the two supports, separated by 1.0 m, exert on the board. What simplifications should you make to solve the problem?
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of a 4.0-m-long diving board, as shown in the illustration.
Determine the magnitudes and directions of each of the
forces that the two supports, separated by 1.0 m, exert on the
board. What simplifications should you make to solve the
problem?
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- 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?L = 2.0 m A diver with a mass of 43 kg is standing 1.3 m from the left end of a diving board. This diving board has a mass of 83 kg and a length of 2 meters. It is supported by a pillar that is 0.5 m from the left end (labeled F, in the figure) and a bolt that holds the left end down (labeled F2 in the figure). What is the magnitude of the force from the pillar, labeled F1. F = What is the magnitude of the force from the end of the board, labeled F2. F2 = What position could the diver stand at to make both F, and F2 a minimum? 3:45 PMA 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 N
- What is the student’s weight?What's the force on each rope if the person is standing 1.75 m from one end?A 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 O
- A 12 000-N shark is supported by a rope attached to a 4.60-m rod that can pivot at the base. (a) Calculate the tension in the cable between the rod and the wall, assuming the cable is holding the system in the position shown in the figure. (Give you answer to three significant digits.) b) Find the horizontal force exerted on the base of the rod magnitude ------- N c) Find the vertical force exerted on the base of the rod. Ignore the weight of the rod. magnitude ------ NA 9 m long board that has a mass of 14. Each end is held up by a vertical rope. A 45 kg box sits 1 m from the left end. Find the tension in the rope on the right. Hint: With forces applied at different places, this is a beam problem pick a pivot point measure all distances from the pivot point Apply Στ = 0 Don't forget torque = force x dist, so you need to multiply the masses by g = 9.8 m/s2 If you need more information, apply ΣF = 0