Mass & Newtons First Law

Newtons first law of motion is often stated as, An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

Inertia is a roperty of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force.

In class we learned how inertia & the newtons first law share the same elements. Three ways that we see everyday that inertia and newtons first law relate is 1, a car crash. The car is loosig control .. Your trying to stop the car but you can't so only a wall or another object heavier than the car woyld be able to stop the car. Which would mean this relates to inertia as well as newtons first law. 2, a snow ball. You throw a snowball and a berrier would have to stop it , that force that would stop it would be inertia.. 3, soup falling off a spoon. The plate would be the normal force , but soup is falling off the spoon and to make this being related to inertia to newtons first law would be the plate to stop the drop of soup to keep moving so it would stop moving.