(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.(6) The 180 lb uniform rectangular plate is suspended by three vertical cables as shown so that the plate remains in the horizontal position. Compute the tension in each cable. Ans: T₁ =70 lb, TB = 20 lb, Tc = 90 lb 15 in. 45 in. B 15 in. 50 in. 45 in.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.)
- A hiker start from his parked car and walked as follows : 12km due east followed by 8km at 40 north of east , followed by 10km due . Find the components ( along east and north of the net displacement and the magnitude and direction of the displacement(4) The 1800 kg uniform square plate is suspended by three cables as shown and remains horizontal. Determine the tension in each cable. Ans: TA=TB 5.41 kN, Tc = 9.87 kN 2400 mm C 1200 mm ak A 2400 mm B 1200 mm 1200 mmSolve 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. JA child exerts a force of 27 N on the handle of a small wagon. If the handle of the wagon is directed upwards 20° from the horizontal, find the amount of work done in moving the wagon 20 m horizontally. Round to the nearest N⚫m. The amount of work done is approximately N⚫m.
- 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.The 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
