Question

do you think inertia is necessary? if yes, why?​

Answer 1

Absolutely yes! Even in space objects have mass. And if they have mass, they have inertia. That is, an object in space resists changes in its state of motion.

Answer 2

Answer:

Absolutely yes!

Absolutely yes!Even in space objects have mass. And if they have mass, they have inertia. That is, an object in space resists changes in its state of motion. A force must be applied to set a stationary object in motion.