*/*_The example of completely constrained motion is a?

1.	/_The example of completely constrained motion is a?
A.	Motion of a piston in the cylinder of a steam engine
B.	Motion of a square bar in a square hole
C.	Motion of a shaft with collars at each end in a circular hole
D.	All of the above
Answer» E.

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*/*_The example of completely constrained motion is a?

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/_The example of completely constrained motion is a?