Engineering Mechanics The Cartesian equation of trajectory is (where u = Velocity of projection, α = Angle of projection, and x, y = Co-ordinates of any point on the trajectory after t seconds.) y = (gx²/2u² cos²α) + x. tanα y = x. tanα + (gx²/2u² cos²α) y = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) - x. tanα y = (gx²/2u² cos²α) + x. tanα y = x. tanα + (gx²/2u² cos²α) y = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) - x. tanα ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio for the third system of pulleys is n² 2n 2n - 1 n n² 2n 2n - 1 n ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When the lift is moving upwards with some acceleration, the pressure exerted by a man is __________ to its acceleration. Inversely proportional None of these Cube root Directly proportional Inversely proportional None of these Cube root Directly proportional ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces, which meet at one point, but their lines of action do not lie in a plane, are called Non-coplanar non-concurrent forces Intersecting forces Non-coplanar concurrent forces Coplanar non-concurrent forces Non-coplanar non-concurrent forces Intersecting forces Non-coplanar concurrent forces Coplanar non-concurrent forces ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Coplanar concurrent forces are those forces which Do not meet at one point, but their lines of action lie on the same plane Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane Meet at one point and their lines of action also lie on the same plane Do not meet at one point, but their lines of action lie on the same plane Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane Meet at one point and their lines of action also lie on the same plane ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a lifting machine is 1/(m × V.R.) m/V.R. 1/m V.R./m 1/(m × V.R.) m/V.R. 1/m V.R./m ANSWER DOWNLOAD EXAMIANS APP