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Strength of Materials Workbook

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Description

Strength of Materials

Page Length : 67

Question No. 01
According to Lami’s theorem

  • (A) Three forces acting at a point will be in equilibrium
  • (B) Three forces acting at a point can be represented by a triangle, each side being proportional to force
  • (C) If three forces acting upon a particle are represented in magnitude and direction by the
    sides of a triangle, taken in order, they will be in equilibrium
  • (D) If three forces acting at a point are in equilibrium, each force is proportional to the sine of
    the angle between the other two

Answer: Option D

Question No. 02
A number of forces acting at a point will be in equilibrium if

  • (A) Their total sum is zero
  • (B) Two resolved parts in two directions at right angles are equal
  • (C) Sum of resolved parts in any two perpendicular directions are both zero
  • (D) All of them are inclined equally

Answer: Option C

Question No. 03
The center of gravity of a triangle lies at the point of

  • (A) Concurrence of the medians
  • (B) Intersection of its altitudes
  • (C) Intersection of bisector of angles
  • (D) Intersection of diagonals

Answer: Option A