Incompletely constrained motion is the motion in which____.

Incompletely constrained motion is the motion in which____.

a. motion between a pair is limited to a definite direction irrespective to the direction of force applied
b. motion between a pair can take place in more than one direction
c. no motion between a pair of element
d. none of the above

Correct Answer : b. motion between a pair can take place in more than one direction