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

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

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Engineering Mechanics
One joule means that

Work is done by a force of 1 g when it displaces a body through 1 cm
Work is done by a force of 1 dyne when it displaces a body through 1 cm
Work is done by a force of 1 kg when it displaces a body through 1 m
Work is done by a force of 1 N when it displaces a body through 1 m

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