Lakshya Education MCQs

Question: If a number of forces act simultaneously on a particle, it is possible
Options:
A.Not a replace them by a single force
B.To replace them by a single force
C.To replace them by a single force through C.G.
D.To replace them by a couple
Answer: Option B

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More Questions on This Topic :

Question 1. Which of the following is not the unit of power ?
  1.    kW (kilowatt)
  2.    hp (horse power)
  3.    kg m/sec
  4.    kcal/kg sec.
Answer: Option D
Question 2. A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly
  1.    38 m
  2.    62.5 m
  3.    96 m
  4.    124 m
Answer: Option B
Question 3. The possible loading in various members of framed structures are
  1.    compression or tension
  2.    buckling or shear
  3.    shear or tension
  4.    all of the above
Answer: Option A
Question 4. A pair of smith’s tongs is an example of the lever of
  1.    zeioth order
  2.    first order
  3.    second order
  4.    third order
Answer: Option C
Question 5. A cable with a uniformly distributed load per horizontal metre run will take the following shape
  1.    Straight line
  2.    Parabola
  3.    Hyperbola
  4.    Elliptical
Answer: Option B
Question 6. 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

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