Engineering Mechanics If a body is acted upon by a number of coplanar non-concurrent forces, it may Move in any one direction rotating about itself Be completely at rest All of these Rotate about itself without moving Move in any one direction rotating about itself Be completely at rest All of these Rotate about itself without moving ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The horizontal range of a projectile (R) is given by R = u² sinα/g R = u² cos2α/g R = u² sin2α/g R = u² cosα/g R = u² sinα/g R = u² cos2α/g R = u² sin2α/g R = u² cosα/g ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics When a body falls freely under gravitational force, it possesses __________ weight. Maximum No None of these Minimum Maximum No None of these Minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity of a body on reaching the ground from a height h, is √(gh) 2g.√h √(2gh) 2.√(gh) √(gh) 2g.√h √(2gh) 2.√(gh) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The time of flight of a projectile on downward inclined plane depends upon Both (A) and (B) None of these Angle of projection Angle of inclination of the plane Both (A) and (B) None of these Angle of projection Angle of inclination of the plane 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 = x. tanα + (gx²/2u² cos²α) y = (gx²/2u² cos²α) - x. tanα y = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα y = x. tanα + (gx²/2u² cos²α) y = (gx²/2u² cos²α) - x. tanα y = x. tanα - (gx²/2u² cos²α) y = (gx²/2u² cos²α) + x. tanα ANSWER DOWNLOAD EXAMIANS APP
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