Assertion: catapult's arm | /r/HasProperty | pulled before launch
Facets:
value: far back
type: OTHER
Source sentences:
text: The catapult has two key features: an adjustable pin lets you set the launch angle (the angle the ball travels relative to the ground, or "horizontal," at launch) and tick marks let you measure the pull-back angle (how far back the arm is pulled before launch).
text: This catapult has two key features: an adjustable pin lets you set the(the angle in which the ball travels relative to horizontal at launch, shown in Figure 1) and tick marks let you measure the(how far back the arm is pulled before launch).