The diagram in which the block has the greatest inertia 2 seconds after starting from rest is; Option C: 4
We want to find the block that will have the greatest inertia 2 seconds from rest.
Now, inertia simply means the tendency to resist change. This means that the block with the greatest mass will possess the greatest inertia after starting from rest.
Let us look at the given blocks. The block with the greatest mass is Block 4 since it has a mass of 20 Kg
From the definition of inertia earlier stated, we can conclude that Block 4 will possess the greatest inertia 2 seconds after starting from rest.
Read more at; https://brainly.com/question/18835182