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InsemMar 20242019 patternFE

Engineering Mechanics (EM) SPPU Insem Question Paper Mar 2024

All 4 questions from this SPPU insem paper, as printed. Read them here or open the PDF.

Subject code
101011
Pattern
2019 pattern
Exam
Insem
Session
Mar 2024
Max. marks
30
Time
1 Hour
Semester
II
Paper code
[6267]-7

Printed for: F.E. (Insem)

Instructions to the candidates

  1. Answer Q1 or Q2 and Q3 or Q4.
  2. Neat sketches must be drawn wherever necessary.
  3. Figures to the right indicate full marks.
  4. Assume suitable data, if necessary.
  5. Use of electronic pocket calculator is allowed.
  6. Use of cell phone is prohibited in the examination hall.

Questions

  1. Q1

    1. a)

      State and explain law of parallelogram of forces.

      Also asked:Oct 2025

      [4]
    2. b)

      Find the magnitude and point of application of the resultant force for parallel force system as shown in Fig. 1 b. Fig. 1 b.

      [5]
    3. c)

      Determine the magnitude and direction of resultant with reference to point A for the force system as shown in Fig. 1c. Fig. 1c

      [6]
  2. Q2

    1. a)

      Explain in brief coplanar and non-coplanar force system with suitable sketches.

      [4]
    2. b)

      Two forces of magnitude 300 kN and 400 kN are acting at a point at an angle of 90º, find the magnitude and direction of resultant force.

      Also asked:Mar 2025

      [5]
    3. c)

      Determine the magnitude, direction and point of application of resultant force with respect to point A for a force system as shown in Fig. 2c. Fig. 2c

      [6]
  3. Q3

    1. a)

      State and explain ladder friction with free body diagram.

      [4]
    2. b)

      Locate the centroid of the shaded area as shown in Fig. 3b with respect to origin O. Fig. 3b

      [5]
    3. c)

      A 45 kg block is resting on a rough incline surface as shown in Fig. 3c. If the coefficient of static friction,  s = 0.20, determine the range of force P required to cause motion. Fig. 3c

      [6]
  4. Q4

    1. a)

      State and explain centroidal axis.

      [4]
    2. b)

      Determine the moment of inertia of T-section about centroidal y-y axis as shown in Fig. 4b. Fig. 4b

      [5]
    3. c)

      A 4 m ladder is rest against smooth wall and on a horizontal floor as shown in Fig. 4c. If coefficient of statics friction.  s = 0.2 and the mass of the ladder is 25kg, determine the normal reaction to maintain the equilibrium. Fig. 4c 

      [6]