Engineering Mechanics The maximum acceleration of a particle moving with simple harmonic motion is ω²r ω/r ω ωr ω²r ω/r ω ωr ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction in which the force acts. This statement is known as None of these Newton's first law of motion Newton's second law of motion Newton's third law of motion None of these Newton's first law of motion Newton's second law of motion Newton's third law of motion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following statement is correct in connection with projectiles? The velocity, with which a projectile is projected, is known as the velocity of projection. The angle, with the horizontal, at which a projectile is projected, is known as angle of projection. All of these A path, traced by a projectile in the space, is known as trajectory. The velocity, with which a projectile is projected, is known as the velocity of projection. The angle, with the horizontal, at which a projectile is projected, is known as angle of projection. All of these A path, traced by a projectile in the space, is known as trajectory. ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a screw jack, the effort required to lift the load is given by (where W = Load lifted, α = Helix angle, and φ = Angle of friction.) P = W tan (φ - α) P = W tan (α - φ) P = W tan (α + φ) P = W cos (α + φ) P = W tan (φ - α) P = W tan (α - φ) P = W tan (α + φ) P = W cos (α + φ) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Centre of gravity of a solid cone lies on the axis at the height One third of the total height above base One fourth of the total height above base One-half of the total height above base Three eighth of the total height above the base One third of the total height above base One fourth of the total height above base One-half of the total height above base Three eighth of the total height above the base 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 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 ANSWER DOWNLOAD EXAMIANS APP