Engineering Mechanics The forces, whose lines of action are parallel to each other and act in the same directions, are known as Unlike parallel forces Like parallel forces Coplanar non-concurrent forces Coplanar concurrent forces Unlike parallel forces Like parallel forces Coplanar non-concurrent forces Coplanar concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be Zero at its upper end Upwards at its upper end Downwards at its upper end Perpendicular to the wall at its upper end Zero at its upper end Upwards at its upper end Downwards at its upper end Perpendicular to the wall at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum mechanical advantage of a lifting machine is 1 - m 1 / m m 1 + m 1 - m 1 / m m 1 + m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If ‘P’ is the force acting on the body, ‘m’ is the mass of the body and ‘a’ is the acceleration of the body, then according to Newton's second law of motion, P/m.a = 0 P - m.a = 0 P × m.a = 0 P + m.a = 0 P/m.a = 0 P - m.a = 0 P × m.a = 0 P + m.a = 0 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a solid sphere of mass ‘m’ and radius ‘r’ is mr² mr²/2 2mr²/3 2mr²/5 mr² mr²/2 2mr²/3 2mr²/5 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is (where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.) None of these MS/4 MS/5 MS/3 None of these MS/4 MS/5 MS/3 ANSWER DOWNLOAD EXAMIANS APP
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