Engineering Mechanics The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is 2mr²/3 2mr²/5 3mr²/5 mr²/3 2mr²/3 2mr²/5 3mr²/5 mr²/3 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 Upwards at its upper end Downwards at its upper end Away from the wall at its upper end Towards the wall at its upper end Upwards at its upper end Downwards at its upper end Away from the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If u₁ and u₂ are the velocities of two moving bodies in the same direction before impact and v₁ and v₂ are their velocities after impact, then coefficient of restitution is given by (u₁ - u₂)/(v₁ - v₂) (u₂ + u₁)/(v₂ + v₁) (v₁ - v₂)/(u₁ - u₂) (v₂ - v₁)/(u₁ - u₂) (u₁ - u₂)/(v₁ - v₂) (u₂ + u₁)/(v₂ + v₁) (v₁ - v₂)/(u₁ - u₂) (v₂ - v₁)/(u₁ - u₂) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the depth (d), is db³/12 bd³/36 db³/36 bd³/12 db³/12 bd³/36 db³/36 bd³/12 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resolved part of the resultant of two forces inclined at an angle 'θ' in a given direction is equal to The difference of the forces multiplied by the cosine of θ The sum of the forces multiplied by the sine of θ The sum of the resolved parts of the forces in the given direction The algebraic sum of the resolved parts of the forces in the given direction The difference of the forces multiplied by the cosine of θ The sum of the forces multiplied by the sine of θ The sum of the resolved parts of the forces in the given direction The algebraic sum of the resolved parts of the forces in the given direction 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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