Engineering Mechanics If a number of forces are acting at a point, their resultant is given by √[(∑V)2 + (∑H)2] (∑V)2 + (∑H)2 √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] (∑V)2 +(∑H)2 +2(∑V)(∑H) √[(∑V)2 + (∑H)2] (∑V)2 + (∑H)2 √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] (∑V)2 +(∑H)2 +2(∑V)(∑H) 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 The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is 50 mm 75 mm 87.5 mm 125 mm 50 mm 75 mm 87.5 mm 125 mm ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Non-coplanar concurrent forces are those forces which Meet at one point and their lines of action also lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane Do not meet at one point, but their lines of action lie on the same plane Meet at one point, but their lines of action do not lie on the same plane Meet at one point and their lines of action also lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane Do not meet at one point, but their lines of action lie on the same plane Meet at one point, but their lines of action do not lie on the same plane ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The force required to move the body up the plane will be minimum if it makes an angle with the inclined plane __________ the angle of friction. None of these Greater than Less than Equal to None of these Greater than Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The overturning of a vehicle on a level circular path can be avoided if the velocity of vehicle is __________ √(gra/h) Less than Greater than None of these Equal to Less than Greater than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP