Engineering Mechanics The coefficient of friction depends upon Area of contact Nature of surfaces All of these Shape of the surfaces Area of contact Nature of surfaces All of these Shape of the surfaces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of forces are acting at a point, their resultant is given by (∑V)2 +(∑H)2 +2(∑V)(∑H) √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] √[(∑V)2 + (∑H)2] (∑V)2 + (∑H)2 (∑V)2 +(∑H)2 +2(∑V)(∑H) √[(∑V)2 +(∑H)2 +2(∑V)(∑H)] √[(∑V)2 + (∑H)2] (∑V)2 + (∑H)2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The total motion possessed by a body, is called Weight Momentum Mass Impulsive force Weight Momentum Mass Impulsive force ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If tension in the cable supporting a lift moving downwards is half the tension when it is moving upwards, the acceleration of the lift is g/3 g/4 g/2 None of these g/3 g/4 g/2 None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Two forces are acting at an angle of 120°. The bigger force is 40 N and the resultant is perpendicular to the smaller one. The smaller force is 40 N 20 N 120 N None of the listed here 40 N 20 N 120 N None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a lifting machine is 1/m V.R./m m/V.R. 1/(m × V.R.) 1/m V.R./m m/V.R. 1/(m × V.R.) ANSWER DOWNLOAD EXAMIANS APP
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