Engineering Mechanics The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.) 2π × ω 2π/ω π/ω ω/2π 2π × ω 2π/ω π/ω ω/2π ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a solid sphere of mass ‘m’ and radius ‘r’ is mr²/2 2mr²/3 2mr²/5 mr² mr²/2 2mr²/3 2mr²/5 mr² ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The friction experienced by a body, when at rest, is known as Coefficient of friction Limiting friction Dynamic friction Static friction Coefficient of friction Limiting friction Dynamic friction Static friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be Away from the wall at its upper end Downwards at its upper end Towards the wall at its upper end Upwards at its upper end Away from the wall at its upper end Downwards at its upper end Towards the wall at its upper end Upwards at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics An ideal machine is one whose efficiency is Between 70 and 80% Between 80 and 90% Between 60 and 70 % 1 Between 70 and 80% Between 80 and 90% Between 60 and 70 % 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics According to the law of moments, if a number of coplanar forces acting on a particle are in equilibrium, then Their algebraic sum is zero The algebraic sum of their moments about any point in their plane is zero Their lines of action are at equal distances The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their algebraic sum is zero The algebraic sum of their moments about any point in their plane is zero Their lines of action are at equal distances The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point ANSWER DOWNLOAD EXAMIANS APP
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