Welcome to Engineering Mechanics.
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1.
D' Alembert's principle is used for
2.
In detennining stresses in frames by methods of sections, the frame is divided into two parts by an imaginary section drawn in such a way as not to cut more than
3.
A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve
4.
A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly
5.
Coefficient of friction is the
6.
Which of the following do not have identical dimensions ?
7.
The forces, which meet at one point, but their lines of action do not lie in a plane, are called
8.
The unit of work or energy in SI units sis
9.
The magnitude of two forces, which when acting at right angle produce resultant force of lO lbs and when acting at 60° produce resultant of l3 lbs. These forces are
10.
What horizontal force P can be applied to a 100-kg block in a level surface with coefficient of friction of 0.2, that will cause an acceleration of 2.50m/s^2?
11.
If three forces acting in different planes can be represented by a triangle, these will be in
12.
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 of
13.
The weight of a body is due to
14.
A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to
15.
A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the s
16.
Center of gravity of a thin hollow cone lies on the axis at a height of
17.
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
18.
Angle of friction is the
19.
a suspended body is struck at the center of percussion, then the pressure on die axis passing through the point of suspension will be
20.
Two coplanar couples having equal and opposite moments
