Engineering Mechanics
The overturning of a vehicle on a level circular path can be avoided if the velocity of vehicle is __________ √(gra/h)

Equal to
Less than
Greater than
None of these

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Engineering Mechanics
Which of the following statement is incorrect?

The velocity ratio of a machine is the ratio of load lifted to the effort applied
The ratio of the limiting friction to the normal reaction is called coefficient of friction
A force acting in the opposite direction to the motion of the body is called force of friction
A machine whose efficiency is 100% is known as an ideal machine

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