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Engineering Mechanics

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4
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A circular cylinder of mass 4Kg and radius 15cm is connected by spring of stiffness 4000N/m as shown in fig. Its free to roll on horizontal rough surface without slipping, determine natural frequency.
engineering mechanics updated 2.4 years ago by Krishna_Agrawal • 2.7k
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Replace the force system by a single force w. r. to point C
engineering mechanics updated 4.0 years ago by teamques10 ★ 65k
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494
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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 3.0 years ago by teamques10 ★ 65k
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686
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Two masses of 60 N, & 30N, are positioned over frictionless & massless pulley (fig. 15). If the 60 N. mass is released from rest, find the speed at which the 60N. mass will hit the ground.
engineering mechanics updated 3.0 years ago by teamques10 ★ 65k
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645
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Discuss the resultant of concurrent forces in space.
engineering mechanics updated 3.0 years ago by teamques10 ★ 65k
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709
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Fig. 10 show the v-t diagram for the motion of a train as it moves from station A to station B. Draw a-t graph & find the average speed of the train & the distance between the stations.
engineering mechanics updated 3.0 years ago by teamques10 ★ 65k
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817
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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 3.0 years ago by teamques10 ★ 65k
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466
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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 3.0 years ago by teamques10 ★ 65k
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Replace the force system (fig 5) by a single force w.r.t to pint C.
engineering mechanics updated 3.0 years ago by teamques10 ★ 65k
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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 3.0 years ago by teamques10 ★ 65k
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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.
engineering mechanics updated 20 months ago by yashbeer ★ 11k
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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 3.0 years ago by teamques10 ★ 65k
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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 3.0 years ago by teamques10 ★ 65k
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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 3.0 years ago by teamques10 ★ 65k
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651
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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 3.0 years ago by teamques10 ★ 65k
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Prove that for a perfectly elastic body two equal masses participating in collision exchange their velocities.
engineering mechanics updated 3.0 years ago by teamques10 ★ 65k
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362
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Replace the force system by a single force w.r.to point C
engineering mechanics updated 3.0 years ago by teamques10 ★ 65k
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814
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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 3.0 years ago by teamques10 ★ 65k
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By superposition theorem find current through 30 ohm resistor of the network given.
engineering mechanics updated 3.0 years ago by teamques10 ★ 65k
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443
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Using superposition theorem, find the voltage accross 4KΩ
engineering mechanics updated 3.0 years ago by teamques10 ★ 65k
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660
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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 3.0 years ago by teamques10 ★ 65k
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Show that the vectors are linearly dependent and find the relation between them X1=[1,2,-1,0], X2=[1,3,1,2], X3=[4,2,1,0], X4=[6,1,0,1].
engineering mechanics updated 3.0 years ago by teamques10 ★ 65k
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Examine the following vectors for linear dependence/independence X1 = (a,b,c), X2 = (b,c,a), X3 = (c,a,b) where a+b+c ≠ to zero.
engineering mechanics updated 3.0 years ago by teamques10 ★ 65k
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Examine whether the vectors x1= [3,1,1] x2=[2,0,-1] x3=[4,2,1] are linearly independent.
engineering mechanics updated 3.0 years ago by teamques10 ★ 65k
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If u=2xy, v=x2-y2 and x=rcos?, y=rsin? then find \[ \dfrac {\partial (u_1v)}{\partial (\partial_1 \theta)} \]
engineering mechanics updated 3.0 years ago by teamques10 ★ 65k
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