Final answer:
The catapult rolls backwards after launching its payload due to Newton's 3rd law.
Step-by-step explanation:
The statement is True. According to Newton's 3rd law of motion, for every action, there is an equal and opposite reaction. When the catapult launches its payload forward, it exerts a forward force, and as a result, experiences a backward force, causing it to roll backwards.
Learn more about Newton's 3rd law of motion