Engineering Mechanics For any system of coplanar forces, the condition of equilibrium is that the Algebraic sum of the horizontal components of all the forces should be zero Algebraic sum of the vertical components of all the forces should be zero Algebraic sum of moments of all the forces about any point should be zero All of these Algebraic sum of the horizontal components of all the forces should be zero Algebraic sum of the vertical components of all the forces should be zero Algebraic sum of moments of all the forces about any point should be zero All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a given force (or a given system of forces) acting on a body __________ the position of the body, but keeps it in equilibrium, then its effect is to produce internal stress in the body. Changes periodically Does not change Change None of these Changes periodically Does not change Change None of these 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.) MS/5 MS/3 MS/4 None of these MS/5 MS/3 MS/4 None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The algebraic sum of moments of the forces forming couple about any point in their plane is Equal to the moment of the couple Both of above are correct Constant Both of above are wrong Equal to the moment of the couple Both of above are correct Constant Both of above are wrong ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be Greater than 50% Equal to 50% Less than 50% 1 Greater than 50% Equal to 50% Less than 50% 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity of a uniform lamina lies at The bottom surface All of these The midpoint of its axis The centre of heavy portion The bottom surface All of these The midpoint of its axis The centre of heavy portion ANSWER DOWNLOAD EXAMIANS APP
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