Quote:
Originally Posted by jm1234
Inertia is that stuff that keeps you from accelerating. A car has no more inertial mass (or inertia) at 40 mph than 0 mph.
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True, and although mathematically flawed, in common language it is often said that object
gathered inertia to describe the fact that it does not any more force applied to move freely (so-to-speak)
quoting almighty wikipedia here...
This meaning of a body's inertia therefore is altered from the original meaning as "a tendency to maintain momentum" to a description of the measure of how difficult it is to change the momentum of a body.