Theory of Machine
When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be

To move the ship towards starboard
To raise the bow and lower the stern
To move the ship towards port side
To raise the stern and lower the bow

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Theory of Machine
Higher pairs are those which have

Surface contact between the two elements when in motion
Two elements that permit relative motion
Elements of pairs not held together mechanically
Point or line contact between the two elements when in motion

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