Question

A tendency to do nothing or to remain unchanged what's is?

Answer 1

`\huge\colorbox{pink}{✏﹏ \: Inertia \: }`

➳ Inertia refers to the tendency to do nothing or to remain unchanged in its state of motion or rest unless an external unbalanced force acts on it (Newton's third law of motion - also known as the Law of Inertia)