Engineering Mechanics On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be Perpendicular to the wall at its upper end Downwards at its upper end Upwards at its upper end Zero at its upper end Perpendicular to the wall at its upper end Downwards at its upper end Upwards at its upper end Zero at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The periodic time (T) is given by (where, ω = Angular velocity of particle in rad/s.) ω/2π 2π × ω π/ω 2π/ω ω/2π 2π × ω π/ω 2π/ω ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of angular acceleration is N-m m/s rad/s2 m/s2 N-m m/s rad/s2 m/s2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as Principle of transmissibility of forces None of these Principle of independence of forces Principle of resolution of forces Principle of transmissibility of forces None of these Principle of independence of forces Principle of resolution of forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The horizontal range of a projectile (R) is given by R = u² sin2α/g R = u² cosα/g R = u² cos2α/g R = u² sinα/g R = u² sin2α/g R = u² cosα/g R = u² cos2α/g R = u² sinα/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The friction experienced by a body, when in motion, is known as Limiting friction Dynamic friction Rolling friction Static friction Limiting friction Dynamic friction Rolling friction Static friction ANSWER DOWNLOAD EXAMIANS APP