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Engineering Mechanics

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Find the reactions at supports A and E for the beam loaded as shown in figure below.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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Find the resultant of the spatial concurrent force system concurrent at A (1,0,0) and passing through points B(-1,3,5), C(3,5,7), D(0,4,0). Magnitude of forces FAB = 100N, FAC = 150N, FAD = 200N.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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445
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Find the forces in CF and CD by method of section and the remaining by Method of Joints.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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Determine the Centroid of the shaded area. All dimensions are in mm.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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Find force requires to pull block B as shown. Coefficient of friction between A and B is 0.3 and between B and floor is 0.25. Mass of A=40kg and B=60kg.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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1.1k
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Determine the tensions is cords AB & BC for equilibrium of 30 kg block.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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635
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Locate the centroid of the shaded portion w.r.t to ox & oy axes (fig 7).
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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Find the reactions at supports B & F for the beam loaded as shown in the figure below.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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With what minimum horizontal velocity (u) can a boy throw a rock at A & have it just clear the obstruction at B? Refer fig. 14.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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A cylinder of weight 300N is held in equilibrium as shown in figure given below. Determine the tension in the strong AD and reaction at C & B. The length of AE=750mm
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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704
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Find centroid of shaded area.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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A particle is projected with an initial velocity of 2m/s along a straight line. The relation between acceleration and time is given in the diagram. Draw v-t and s-t diagram.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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537
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A sprinter in a 100m race accelerates uniformly for the first 35m and then runs with constant velocity. If the sprinter's time for the first 35m is 5.4 seconds, determine his time for the race.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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479
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Laws of friction.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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1.5k
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A particle moves along a track which has a parabolic shape with a constant speed of 10m/s. The curve is given by y=5+0.3x2. Find the components of velocity and normal acceleration when x=2m.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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705
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A particle moves along a circle of radius 20 cm so that s=20 ?t2 cm. Find its tangential and normal acceleration after it has completed a revolution.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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612
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Explain conditions for equilibrium for forces in space.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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513
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A ball is dropped from a height of 12m upon a horizontal slab. If it rebounds to height of 4m, find the co-efficient of restitution.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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457
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Explain work energy principle.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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3.5k
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State and prove work Energy principle.
engineering mechanics updated 2.7 years ago by pedsangini276 • 4.8k
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A steel bar 50 mm x 50 mm in section, 3m long is subjected to an axial pull of 20kN. Calculate the change in length and change in side of the bar. Take E = 200 GPa and Poisson's ratio = 0.3.
engineering mechanics updated 2.7 years ago by sagarkolekar ★ 11k
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452
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Differentiate between Stress and strain
engineering mechanics updated 2.7 years ago by pradnyanabar2613 ★ 5.2k
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Determine the amount and direction of smallest force P required to start the wheel as shown in fig over the block what is the reaction at block wt of wheel is 200N
engineering mechanics updated 2.7 years ago by RakeshBhuse • 3.2k
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585
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Find the resultant and angle of resultant for a structure
engineering mechanics updated 2.7 years ago by RakeshBhuse • 3.2k
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626
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Engineering mechanics only
engineering mechanics updated 2.7 years ago by RakeshBhuse • 3.2k
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