Engineering Mechanics The horizontal range of a projectile (R) is given by R = u² cosα/g R = u² sin2α/g R = u² cos2α/g R = u² sinα/g R = u² cosα/g R = u² sin2α/g R = u² cos2α/g R = u² sinα/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A redundant frame is also called __________ frame. None of these Deficient Perfect Imperfect None of these Deficient Perfect Imperfect 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 Cube root Directly proportional None of these Inversely proportional Cube root Directly proportional None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The friction experienced by a body, when in motion, is known as Rolling friction Limiting friction Static friction Dynamic friction Rolling friction Limiting friction Static friction Dynamic friction ANSWER DOWNLOAD EXAMIANS APP
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 center of gravity of a quadrant of a circle lies along its central radius (r) at a distance of 0.5 r 0.6 r 0.7 r 0.8 r 0.5 r 0.6 r 0.7 r 0.8 r ANSWER DOWNLOAD EXAMIANS APP