Engineering Mechanics
The ideal angle of banking provided on the curves on roads depends upon

(Velocity)2 of the vehicle
Weight of the vehicle
Nature of the road surface
Coefficient of friction between the road and vehicle contact point

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Engineering Mechanics
The moment of a force

Is equal to the product of force acting on the body and the perpendicular distance of a point and the line of action of the force
All of these
Is the turning effect produced by a force, on the body, on which it acts
Is equal to twice the area of the triangle, whose base is the line representing the force and whose vertex is the point, about which the moment is taken

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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

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