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1.
A projectile is fired at an angle B to the vertical. Its horizontal range will be maximum when angle B is
2.
A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to
3.
The unit of work or energy in SI units sis
4.
If a number of forces act simultaneously on a particle, it is possible
5.
The maximum frictional force which comes into play when a body just begins to slide over another surface is called
6.
The coefficient of friction depends on
7.
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
8.
The ratio of limiting friction and normal reaction is known as
9.
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?
10.
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
11.
Which of the following do not have identical dimensions ?
12.
A particle moves along a straight line such that distance (x) traversed in t seconds is given by x = t^2 (t – 4), the acceleration of the particle will be given by the equation
13.
Two coplanar couples having equal and opposite moments
14.
Which of the following is not the unit of distance ?
15.
According to principle of transmissibility of forces, the effect of a force upon a body is
16.
The possible loading in various members of framed structures are
17.
The algebraic sum of moments of the forces forming couple about any point in their plane is
18.
Angle of friction is the
19.
If three forces acting in different planes can be represented by a triangle, these will be in
20.
a suspended body is struck at the center of percussion, then the pressure on die axis passing through the point of suspension will be
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