Assertion: acceleration | /r/HasProperty | along the line of the yoyo
Facets:
Source sentences:
text: (think of swinging a YoYo on a string the force is on the string not the YoYo, thus the acceleration is also along the line of the YoYo because if you let go of the string the YoYo will fly in a straight line away from you, not in a circular path as when the YoYo was spinning.