The table below shows the mass and velocity of four objects. Which object has the least inertia?
a. X
b. W
c. Y
d. Z
Inertia is directly proportional to mass. Thus, the object with the least mass will have the least inertia.
Looking at the table, we can see that Object X has the least mass with a value of 2 kg. Therefore, the answer is a. X.