Lakshya Education MCQs

Question: D Alembert’s principle is used for
Options:
A.reducing the problem of kinetics to equivalent statics problem
B.determining stresses in the truss
C.stability of floating bodies
D.designing safe structures
Answer: Option A

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More Questions on This Topic :

Question 1. Tangent of angle of friction is equal to
  1.    kinetic friction
  2.    limiting friction
  3.    angle of repose
  4.    coefficient of friction
Answer: Option D
Question 2. A force is completely defined when we specify
  1.    magnitude
  2.    direction
  3.    point of application
  4.    all of the above
Answer: Option D
Question 3. A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve
  1.    catenary
  2.    parabola
  3.    hyperbola
  4.    elliptical
Answer: Option B
Question 4. The C.G. of a solid hemisphere lies on the central radius 3r
  1.    at distance — from the plane base 3r
  2.    at distance — from the plane base 3r
  3.    at distance — from the plane base 3r
  4.    at distance — from the plane base or
Answer: Option D
Question 5. Effect of a force on a body depends upon
  1.    magnitude
  2.    direction
  3.    position or line of action
  4.    all of the above
Answer: Option D
Question 6. Kinetic friction is the
  1.    Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction
  2.    Ratio of limiting friction and normal reaction
  3.    The friction force acting when the body is just about to move
  4.    The friction force acting when the body is in motion
Answer: Option D

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