Question

newtons first law of motion states that an object at rest will remain at rest, and an object in motion will remain in motion unless acted upon by an unbalanced force.
inertia is the tendency of an object to resist a change in motion.
the greater the mass of an object, the more inertia the object will have.
which of the following has the most inertia?
a football
a dog
an elephant

Explanation:

According to the principle that inertia is related to mass (the greater the mass, the more inertia), we compare the masses of a football, a dog, and an elephant. An elephant has a much larger mass than a football or a dog.

Answer:

C. An elephant