(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 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. JThe velocity of a particle along the s-axis is given by v = 659/8 where s is in millimeters and vis in millimeters per second. Determine the acceleration when s is 4.1 millimeters. Answer: a = i eTextbook and Media mm/s²
- Determine the ff: •internal shear force at point c •internal bending moment at point cCalculate the force (in Newtons) required to push a 50kg wagon up a 0.2 radian inclined plane. One Newton (N) is equal to 1 kg-m and the g2 force due to gravity on the wagon is F = m * g, where m is the mass of the wagon, and g is the acceleration due to gravity (9.8 ). Please ignore friction in this problem. Hint: draw a picture, and express the forces on the wagon as vectors. Force NMZRST = 171° and mZRSM = 55°. %3D %3D Find mZMST. R M T
- Calculate the moment Mg of the 780-N force about the bolt at B. Simplify your work by first replacing the force by its equivalent force- couple system at A. The moment is positive if counterclockwise, negative if clockwise. Assume F = 780 N. r = 195 mm, h=620 mm, 0 = 33% = 40° Answer: Ma N-mDetermine the force P required to maintain the 195-kg engine in the position for which 0 = 34%. The diameter of the pulley at B is negligible. Answer: P = 2.2 m 2.2 m 195 kg NThe parameters of a tidal mill are the blade length of 2.5 m, the tidal current of 13 knots, and the power captured by the blades of the tidal mill is 400 KW. Calculate the power conversion efficiency of the tidal mill. Note: 1 knot = 1.852 km/h = 0.515 m/s.