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Define 1) Moment of Inertia 2) Radius of Gyration
engineering mechanics updated 4.2 years ago by teamques10 ★ 70k
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A ladder of 4 m length weighing 200N is placed as shown in fig. 13 ?b=0.25 & ?A=0.35. Calculate the minimum horizontal force to be applied at A to prevent slipping.
engineering mechanics updated 4.2 years ago by krithikkm200 • 10
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If a ball is thrown vertically down with a velocity of 10m/s from a height of 3m. Find the maximum height it can reach after hitting the floor, it the coefficient of restitution is 0.7
engineering mechanics updated 4.2 years ago by krithikkm200 • 10
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Using method of joints, find the forces in truss numbers (fig 11).
engineering mechanics updated 4.2 years ago by krithikkm200 • 10
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A cylinder of weight 500N is kept on two inclined planes as shown in the figure. Determine the reactions at the contact points A & B.
engineering mechanics updated 4.4 years ago by yashbeer ★ 11k
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Give a complete functional account on NSS
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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For a particle in rectilinear motion a= -0.05V2 m/s2, at v=20 m/s, x=0. Find x at v=15 m/s and accn at x=50 m.
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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A particle moves in a plane with constatnt acceleration a = 4i m/s2. At t = 0 the velocity of the particle was vo = i + 1.732j m/s. Find velocity of the particle at t = 1sec.
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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By what percentage the range of projectile is increased if initial velocity is increased by 5%?
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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For the link and slider mechanism shown in figure, locate the instantaneous centre of rotation of link AB. Also find the angular velocity of link 'OA'. Take velocity of slider at B=2500 mm/sec.
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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Two smooth balls collides as shown in figure. If mA= 1 kg, mB=2kg and e= 0.75 Find the velocities after impact.
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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Find moment of Inertia of the shaded are as shown in figure about its references x and y axls.
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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Force F=80i+50j-60k passes through a point A(6,2,6). Compute its moment about a point B(8,1,4).
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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A point moves along a path y=(x2/3) with a constant speed of 8 m/s. What are the x and y component of its velocity when x=3? What is the acceleration of the point at this instant?
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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Force F=(3j - 4j + 12k)N acts at point A(1, -2, 3). Find - (i) Moment of force about origin (ii) Moment of forces about point B(2,1,2)m
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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State D' Alembert's principle with two examples.
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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A ship A travels in the north making an angle of 45? to the West with a velocity of 18 km/hr and ship B travels in the East with a velocity of 9 km/hr. Find the relative velocity of B w.r.t. ship A.
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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A force of 10 kN acts at a point P(2,3,5) m and has its line of action passing through Q(10,-3,4)m. Calculate moment of this force about a point S(1,-10,3)m.
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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State and prove Lami's Theorem.
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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A force of 1200N acts along PQ, P(4,5,-2) and Q(-3,1,6)m. calculate its moment about a point A(3,2,0)m
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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Expiain Angle of Friction, Angle of Repose and the relation between the two.
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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A force of 100N acts at a point P(-2,3,5)m has its line of action passing through Q(10,3,4)m. Calculate moment of this force about origin (0,0,0).
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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A truss is loaded as shown in the diagram given below. Determine: 1. Support Reactions 2. Forces on BC, BD by methods of sections. 3. Forces on AB, AE and BE by method of joints.
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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Four concurrent forces act at a point as shown. Find their resultant.
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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A rectangular parallelepiped carries three forces shown in figure. Reduce the force system to a resultant force applied at the origin and a moment around origin.
engineering mechanics updated 4.8 years ago by teamques10 ★ 70k
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