If a number of forces act simultaneously on a particle it is possibleto replace them by a couple and a force.

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Question:
 If a number of forces act simultaneously on a particle it is possibleto replace them by a couple and a force.

1.not a replace them by a single force

2.to replace them by a single force

3.to replace them by a single force through C.G.

4.to replace them by a couple

More MCQS Questions and answers

  1. If a number of forces act simultaneously on a particle it is possibleto replace them by a couple and a force.
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  6. The algebraic sum of moments of the forces forming couple about any point in their plane is
  7. The centre of gravity of a triangle lies at the point of
  8. The resolved part of the resultant of two forces inclined at an angle 9 in a given direction is equal tothe sum of the forces multiplied by the tangent of 9.
  9. The units of moment of inertia of an area are
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  11. 1# Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one
  12. 18. Which of the following is not the unit of work energy and heat ?
  13. 20. The weight of a body is due tocgravitational pull exerted by the earth
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  19. According to principle of transmissibility of forces the effect of a force upon a body isnone of the above.
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  22. Centre of percussion isthe point of metacentrepoint of suspension
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  28. The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle ofbalance of force
  29. The C.G. of a solid hemisphere lies on the central radius 3r
  30. The centre of gravity of a uniform lamina lies atall of the above
  31. The centre of percussion of the homogeneous rod of length L suspended at the top will be3L/8.
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  37. The product of either force of couple with the arm of the couple is calledresulting couplenone of the above.
  38. The unit of power in S.I. units is
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  40. The units of moment of inertia of mass arem2/kg.
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