Question

Which of the following has more inertia?
A five-rupee coin or a one-rupee coin.

Answer 1

We would be able to answer this question if we know the concept of inertia and the measures on which the inertia depends. So, in order to answer the given question we need to know the factors on which inertia of a body depends.

Complete answer:
First of all let us find out about inertia.
Inertia is a property of a body by which a body tends to be in its state of rest or motion.
Now let us find out the factor on which the inertia depends.
So, inertia depends on the mass of a body. It means more the mass of a body more will be the inertia of the body. If we compare a five-rupee coin and a one-rupee coin, we find that the five-rupee coin is heavier than the one-rupee coin. So, we can conclude that a five-rupee coin has more inertia than a one-rupee coin.

Hence, a five-rupee coin has more inertia than a one-rupee coin.

Note: Inertia can also be defined as property of matter by which it continues in its existing state of rest or uniform motion in s straight line, unless that state is changed by an external force. We should also know that Newton’s first law of motion is also known as law of inertia. According to Newton's first law of motion an object is at rest and stays at rest and an object in motion stays in motion with the same direction unless acted upon by an unbalanced force.