Engineering Mechanics The coefficient of friction depends upon Shape of the surfaces Area of contact Nature of surfaces All of these Shape of the surfaces Area of contact Nature of surfaces All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The linear acceleration (a) of a body rotating along a circular path of radius (r) with an angular acceleration of α rad/s2, is a = α.r a = α/ r None of these a = r / α a = α.r a = α/ r None of these a = r / α ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is 200 50 100 400 200 50 100 400 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The process of finding out the resultant force is called __________ of forces. Composition Resolution Decomposition None of these Composition Resolution Decomposition None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity of a uniform lamina lies at The centre of heavy portion The midpoint of its axis The bottom surface All of these The centre of heavy portion The midpoint of its axis The bottom surface All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A body of mass ‘m’ moving with a constant velocity ‘v’ strikes another body of same mass moving with same velocity but in opposite direction. The common velocity of both the bodies after collision is 2v 8v v 4v 2v 8v v 4v ANSWER DOWNLOAD EXAMIANS APP