Engineering Mechanics The time of flight (t) of a projectile on a horizontal plane is given by t = 2u. cosα/g t = 2u/g.sinα t = 2u. sinα/g t = 2u. tanα/g t = 2u. cosα/g t = 2u/g.sinα t = 2u. sinα/g t = 2u. tanα/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Three forces acting on a rigid body are represented in magnitude, direction and line of action by the three sides of a triangle taken in order. The forces are equivalent to a couple whose moment is equal to Half the area of the triangle Twice the area of the triangle Area of the triangle None of these Half the area of the triangle Twice the area of the triangle Area of the triangle None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is 30° 60° 120° 90° 30° 60° 120° 90° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of percussion is below the centre of gravity of the body and is at a distance equal to h2/kG h × kG h/kG kG2/h h2/kG h × kG h/kG kG2/h ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is 3mr²/5 2mr²/5 mr²/3 2mr²/3 3mr²/5 2mr²/5 mr²/3 2mr²/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The coefficient of friction depends upon Area of contact All of these Nature of surfaces Shape of the surfaces Area of contact All of these Nature of surfaces Shape of the surfaces ANSWER DOWNLOAD EXAMIANS APP
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