Engineering Mechanics The coefficient of friction depends upon Nature of surfaces All of these Shape of the surfaces Area of contact Nature of surfaces All of these Shape of the surfaces Area of contact ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile (R) on an upward inclined plane is 2u². sin (α - β). cos α/g. cos² β g. cos² β/2u². sin (α - β). cos α 2u². sin (α + β). cos α/g. cos² β g. cos² β/2u². sin (α + β). cos α 2u². sin (α - β). cos α/g. cos² β g. cos² β/2u². sin (α - β). cos α 2u². sin (α + β). cos α/g. cos² β g. cos² β/2u². sin (α + β). cos α ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Work done is said to be zero, when Some force acts on a body, but displacement is zero Either (A) or (B) No force acts on a body but some displacement takes place None of these Some force acts on a body, but displacement is zero Either (A) or (B) No force acts on a body but some displacement takes place None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Two forces are acting at an angle of 120°. The bigger force is 40 N and the resultant is perpendicular to the smaller one. The smaller force is None of the listed here 120 N 20 N 40 N None of the listed here 120 N 20 N 40 N ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angle between two forces when the resultant is maximum and minimum respectively are 90° and 0° 180° and 0° 90° and 180° 0° and 180° 90° and 0° 180° and 0° 90° and 180° 0° and 180° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be Towards the wall at its upper end Downwards at its upper end Upwards at its upper end Away from the wall at its upper end Towards the wall at its upper end Downwards at its upper end Upwards at its upper end Away from the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
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