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Find x, if a = xi + 12j - k; b = 2i + 2j + k; c = i + k are coplanar. Also find unit vector in the direction of a
engineering mechanics updated 5.0 years ago by teamques10 ★ 70k
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Using superposition theorem, find the voltage accross 4KΩ
engineering mechanics updated 5.0 years ago by teamques10 ★ 70k
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By superposition theorem find current through 30 ohm resistor of the network given.
engineering mechanics updated 5.0 years ago by teamques10 ★ 70k
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An alternating current takes 3.375 ms to reach 15A for the first time after becoming instantaneously zero. The Frequency of the current is 40 Hz. Find the Maximum value of the alternating current.
engineering mechanics updated 4.2 years ago by krithikkm200 • 10
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Determine the resultant of the forces acting as given in figure below. Find the angle which the resultant makes with the positive x-axis.
engineering mechanics updated 5.0 years ago by teamques10 ★ 70k
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Replace the force system by a single force w.r.to point C
engineering mechanics updated 5.0 years ago by teamques10 ★ 70k
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Prove that for a perfectly elastic body two equal masses participating in collision exchange their velocities.
engineering mechanics updated 5.0 years ago by teamques10 ★ 70k
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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 4.2 years ago by krithikkm200 • 10
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Find the reactions at supports A and E for the beam loaded as shown in figure below.
engineering mechanics updated 4.2 years ago by krithikkm200 • 10
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Find velocity of C and point D at the instant shown ωAB = 3 rad/sec clockwise. AB = 400mm.
engineering mechanics updated 5.0 years ago by teamques10 ★ 70k
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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 4.2 years ago by krithikkm200 • 10
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A wheel is rolling along a straight path without slipping. Determine velocity of points A, B and p. OP = 600mm, ω=4 rad/sec, Vo=4m/s
engineering mechanics updated 5.0 years ago by teamques10 ★ 70k
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Three concurrent forces P=150N, Q=250N and S=300N are acting at 120° with each other. Determine their resultant force magnitude and direction with respect to P. What is their equilibrant?
engineering mechanics updated 5.0 years ago by teamques10 ★ 70k
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A prismatic bar AB of length 6m and weight 3KN is hinged to a wall and supported by cable BC. Find hinge reaction and tension in cable BC.
engineering mechanics updated 5.0 years ago by teamques10 ★ 70k
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Determine the Centroid of the shaded area. All dimensions are in mm.
engineering mechanics updated 4.2 years ago by krithikkm200 • 10
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The crank BC of a slider crank mechanism is rotating at constant speed of 30 rpm clockwise. Determine the velocity of the piston A at the given instant.
engineering mechanics updated 5.0 years ago by teamques10 ★ 70k
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For the truss shown in figure, determine, i) Support Reactions ii) Forces in members CE and CF by method of sections only. iii) Forces in any other members by method of joints
engineering mechanics updated 5.0 years ago by teamques10 ★ 70k
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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 4.2 years ago by krithikkm200 • 10
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A particle travels on a circular path, whose distance travelled is defined by S=(0.5t3+3t)m. If the total acceleration is 10 m/s2, at t=2 sec, find its radius of curvature.
engineering mechanics updated 5.0 years ago by teamques10 ★ 70k
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Determine the tensions is cords AB & BC for equilibrium of 30 kg block.
engineering mechanics updated 4.2 years ago by krithikkm200 • 10
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546
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Replace the force system (fig 5) by a single force w.r.t to pint C.
engineering mechanics updated 5.0 years ago by teamques10 ★ 70k
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Find support reactions at A and B for the beam loaded as shown m figure. A is hinged and B is roller.
engineering mechanics updated 5.0 years ago by teamques10 ★ 70k
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Locate the centroid of the shaded portion w.r.t to ox & oy axes (fig 7).
engineering mechanics updated 4.2 years ago by krithikkm200 • 10
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A force F =80i +50j-60k passes through a point A(6,2,6). Compute its moment about point B(8,1,4).
engineering mechanics updated 5.0 years ago by teamques10 ★ 70k
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Find the support reactions for the beam (Fig 9).
engineering mechanics updated 5.0 years ago by teamques10 ★ 70k
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