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A block of mass 5kg is released from rest along a 40 degree inclined plane. Determine the acceleration of the block using D'Alemberts priniciple. Take coefficient of friction as 0.2.
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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Define Angle of friction and Angle of repose. Show that Angle of friction is equal to the Angle of repose.
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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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 4.8 years ago by teamques10 ★ 70k
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Discuss the resultant of concurrent forces in space.
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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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 4.8 years ago by teamques10 ★ 70k
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Find the support reactions for the beam (Fig 9).
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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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 4.8 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 4.8 years ago by teamques10 ★ 70k
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Replace the force system (fig 5) by a single force w.r.t to pint C.
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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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 4.8 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 4.8 years ago by teamques10 ★ 70k
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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 4.8 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 4.8 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 4.8 years ago by teamques10 ★ 70k
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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 4.8 years ago by teamques10 ★ 70k
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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 4.8 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 4.8 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 4.8 years ago by teamques10 ★ 70k
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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 4.8 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 4.8 years ago by teamques10 ★ 70k
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Using superposition theorem, find the voltage accross 4KΩ
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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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 4.8 years ago by teamques10 ★ 70k
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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 4.8 years ago by teamques10 ★ 70k
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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 4.8 years ago by teamques10 ★ 70k
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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 4.8 years ago by teamques10 ★ 70k
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