Engineering Mechanics The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius. 8r/3 3r/ 8 3r/4π 4r/ 3π 8r/3 3r/ 8 3r/4π 4r/ 3π ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The principle of transmissibility of forces states that, when a force acts upon a body, its effect is Same at every point on its line of action Maximum, if it acts at the center of gravity of the body Different at different points on its line of action Minimum, if it acts at the center of gravity of the body Same at every point on its line of action Maximum, if it acts at the center of gravity of the body Different at different points on its line of action Minimum, if it acts at the center of gravity of the body ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum acceleration of a particle moving with simple harmonic motion is ω/r ω ωr ω²r ω/r ω ωr ω²r ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A machine having an efficiency greater than 50%, is known as Reversible machine Neither reversible nor non-reversible machine Non-reversible machine Ideal machine Reversible machine Neither reversible nor non-reversible machine Non-reversible machine Ideal machine 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) Equal to Less than Greater than None of these Equal to Less than Greater than None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile (R) on an upward inclined plane is g. cos² β/2u². sin (α + β). cos α 2u². sin (α + β). cos α/g. cos² β 2u². sin (α - β). cos α/g. cos² β g. cos² β/2u². sin (α - β). cos α g. cos² β/2u². sin (α + β). cos α 2u². sin (α + β). cos α/g. cos² β 2u². sin (α - β). cos α/g. cos² β g. cos² β/2u². sin (α - β). cos α ANSWER DOWNLOAD EXAMIANS APP
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