Engineering Mechanics
The resolved part of the resultant of two forces inclined at an angle 'θ' in a given direction is equal to

The sum of the resolved parts of the forces in the given direction
The sum of the forces multiplied by the sine of θ
The algebraic sum of the resolved parts of the forces in the given direction
The difference of the forces multiplied by the cosine of θ

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Engineering Mechanics
Which of the following statement is incorrect?

A machine whose efficiency is 100% is known as an ideal machine
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
The velocity ratio of a machine is the ratio of load lifted to the effort applied

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