Question

what is the inertia​

Answer 1

Answer:

a lack of energy; an inability to move or change

Answer 2

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➠ Inertia is the inability of a body to change it's state of rest or of uniform motion or its direction by itself.

➠ Mass is a measure of inertia in translatory motion.

➠ Heavier the mass, larger the inertia & vice-versa.