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 = (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) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a body is acted upon by a number of coplanar non-concurrent forces, it may All of these Be completely at rest Rotate about itself without moving Move in any one direction rotating about itself All of these Be completely at rest Rotate about itself without moving Move in any one direction rotating about itself ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The ideal angle of banking provided on the curves on roads depends upon Weight of the vehicle Coefficient of friction between the road and vehicle contact point Nature of the road surface (Velocity)2 of the vehicle Weight of the vehicle Coefficient of friction between the road and vehicle contact point Nature of the road surface (Velocity)2 of the vehicle ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a number of forces are acting at a point, their resultant will be inclined at an angle 'θ' with the horizontal, such that tanθ = ΣV/ΣH tanθ = ΣV × ΣH tanθ = ΣH/ΣV tanθ = √(ΣV + ΣH) tanθ = ΣV/ΣH tanθ = ΣV × ΣH tanθ = ΣH/ΣV tanθ = √(ΣV + ΣH) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of angular velocity is Revolutions/min rad/s Both (B) and (C) m/min Revolutions/min rad/s Both (B) and (C) m/min ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis through its base, is bh3/12 bh3/4 bh3/8 bh3/36 bh3/12 bh3/4 bh3/8 bh3/36 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS