Define Force and classify the force system with neat sketch.
[7 marks]Draw bending moment diagram and shear force diagram for a simply supported beam of length ‘L’, subjected to udl of ‘w’ kN/m throughout the length and ‘W’ at the center of a beam.
[7 marks]i) Define : Angle of Repose. ii) State and explain the Laws of Static friction.
[7 marks]Derive the relation between shear force and bending moment.
[7 marks]Define: (i) Vector quantities (ii) Resolution of force (iii) Couple
[7 marks]An M. S. bar of 25 mm diameter and change in length is 0.1 m acted upon by a tensile force of 100 kN. If the length of bar is 1.2 m and modulus of elasticity is 2.0 X 105 N/mm2. Find stress, strain and elongation of the bar.
[7 marks]For a bar shown in figure.1 find the diameter of the middle portion, if the stress at that location is to be limited to 140 N/mm2. Also find the total change in the length of the bar. E = 2 X 105N/mm2
[7 marks]Determine the support reactions of a cantilever beam having length ‘L’ subjected to point load ‘W’ at tip and ‘W/2’ at the center of a beam.
[7 marks]Determine the horizontal force required to cause the motion of the block weighing 550N as shown in fig.2. Take μ= 0.55. a. To impend the motion downward. b. To impend up the plane.
[7 marks]State the condition of equilibrium for Co-planner force system.
[7 marks]Find out centroid of thin homogeneous wire as shown in figure 3.
[7 marks]Derive relation between bulk modulus (K), Poisson’s ratio (1/m), and modulus of elasticity (E).
[7 marks]Draw the Shear force and Bending Moment diagram of Beam given in Fig.
[7 marks]i) Define: Coefficient of Static Friction and state the Laws of Friction. ii) Define: 1]Point of Contra flexure, 2] Shear force1 Fig. 1 Fig. Fig. 3 Fig.
[4 marks]