(5) Determine the force in members AD and BD of the loaded truss. Ans: AD=4170 T, BD = 3590 N C 5m D 6m A 45° B 6m 5m 5000 N
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- A rectangular solid has length L=12.6 mm, width W=23.8 mm, and height H=32.5 mm. Find the length of a diagonal AB from the upper left rear vertex to the lower right front vertex. Round the answer to 1 decimal place.A wrench 25 cm long lies along the positive y-axis and grips a bolt at the origin. A force is applied in the direction (a.3.-4) at the end of the wrench. Find the magnitude of the force needed to supply 100 N · m of torque to the bolt. (Round your answer to the nearest whole number.)(6) A force of 200 N is applied perpendicular to the wrench at its tip as shown. Determine the equivalent force-couple system at center O of the wheel. Ans: F=68.4-187.9 N, Mo = 78.3 N'm CW 650 mm 125 mm 450 mm 20° 200 N
- Solve the problem.A force of 627 lb is required to pull a boat up a ramp inclined at 23° with the horizontal. How much does the boat weigh?In this assignment, start from a loaded joint and use the method of joints to calculate the truss member forces. (1) Determine the force in each member of the loaded truss. Ans: AB 900 lb T, AC = 780 lb C, BC = 720 lb T 20 in. 16 in. B 15 in.- 240 lbA bodybuilder lifts a 370 N set of weights from ground level to a position over his head, a vertical distance of 2.40 m. How much work (in J) does the bodybuilder do? Assume the weights are moved at constant speed. J
- A weight of mass 100 kg hangs from two wires that make angles of 54° and 48°, respectively, below the horizontal, as shown in the diagram. 100kg T2 T₂ = T2 Find the tensions (forces) in both wires: T₁ Round your answer to 2 decimal places. i+ Round your answer to 2 decimal places. j. Round your answer to 2 decimal places. i+ Round your answer to 2 decimal places. j.The heignt (feet) of a balllaunched in the aur (t) Seconds after it is launched is giuen by. flt)= -Iut? + 299t + 19 tind the heiant of the bau when itis faling at 100 ft / sẽc. The height (feet) of a bal launched in the air (t) Šeconds after it is launched is giuen by. fIt)=-1t2+350t +23 The welocty of the balu when at a height of 110 feet 3, Ihe heght (feet) of a balU launched inthe aur ) seconds after it is laurched is qiuen by f4)=-110t+213t+ 25 The heignt of the ball when it's uelocity is o ft/ Seci is.Barbara is exerting a force of 40 pounds on the handle of the lawn mower. The handle makes an angle of 35° with the ground. Determine the amount of work required to push the lawn mower 34 feet. Round to the nearest hundredth.
- The aircraft is flying at a velocity of 50 m/s, at an altitude of 4500 m. Determine the lift/span created by the rectangular wing, with chord of 3 m, and a span of 13 m. The airfoil is flying at an angle of attack of 4 deg, and has the following details. CL AOA -0.5 deg 4 deg (unknown) 8 deg 0.7 Your answerThe area, A, of an isosceles right triangle varies directly as the square of the length of its leg, /. By what factor does the area increase when the length of the leg is increased by a factor of 6? A factor of 36 O A factor of 12 O A factor of 12k O A factor of 36k(1) Determine the couple by the pair of 400 N forces applied to the T-shaped bar by the geometric method. Ans: M 51.8-193.2kN·m 0.45 m 400 NI 15° 0.25 m 15° B 400 N 0.25 m
