Given a scientific question, generate a correct answer to it.

[EX Q]: If no unbalanced force acts on an object the object remains at constant velocity or what?
[EX A]: at rest

[EX Q]: Why wouldn't a teakettle have an aluminum handle?
[EX A]: it conducts heat

[EX Q]: What is emitted by nuclei in alpha, beta, and gamma decay?
[EX A]:
radiation