Recent questions in Engg Mechanics

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In abrasive water jet machining

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The magnitude of the velocity V2 (in m/s) at the end B is ___________________

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The speed n of the disc when in reaches position B is ___________ m/s

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The weights are released from rest, and start moving due to gravity. The tension in the string (in N) is _

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A system of particles in motion has mass center G as shown in the figure.

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A two – member truss PQR is supporting a load W. The axial forces in members PQ and QR are respectively

asked Aug 27, 2017 in Engg Mechanics by chandu (215k points)

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A block of mass m rests on an inclined plane and is attached by a string to the wall as shown in the figure.

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If velocity of bullet when it exits the barrel is 20m/s, its spinning speed (in rad/s) is _____________

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For the truss shown in figure, the magnitude of the force (in kN) in the member SR is

asked Aug 27, 2017 in Engg Mechanics by chandu (215k points)

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The initial velocity of an object is 40 m/s. The acceleration a of the object is given by the following

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A ball of mass 0.1 kg, initially at rest, is dropped from height of 1m. Ball hits the ground and bounces off the ground

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The magnitude of the force in member PR and the support reaction at R are respectively

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Assuming frictionless contact at the floor (B) and the wall (A), the magnitude of the force P (in newton)

asked Aug 27, 2017 in Engg Mechanics by chandu (215k points)

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A wardrobe (mass 100 kg, height 4m, width 2m, depth 1m), symmetric about the Y-Y axis, stands on a rough level floor

asked Aug 27, 2017 in Engg Mechanics by chandu (215k points)

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A uniform slender rod (8 m length and 3 kg mass) rotates in a vertical plane about a horizontal axis 1m from its end

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For the truss shown in the figure, the forces F1 and F2 are 9 kN and 3kN, respectively

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A four-wheel vehicle of mass 1000kg moves uniformly in a straight line with the wheels revolving at 10 rad/s.

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If the velocity of the center of mass is v, the kinetic energy of the disc is

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The distance travelled (in meter) by the body along the plane is ________________

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A rigid link PQ of length 2 m rotates about the pinned end Q with a constant angular acceleration of 12 rad/s2

asked Aug 27, 2017 in Engg Mechanics by chandu (215k points)

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