Suppose that you are isolated and "floating" in outer space and that you hold a wooden block and a lead block, one in each hand, and that the two blocks look and feel identical. How could you tell which one is the lead block?
A) Give each one a light tap with your finger; the one that accelerates the most is the lead block.
B) Give each one a light tap with your finger; the one that accelerates the least is the lead block.
C) Let go of them; the one that falls the fastest is the lead block.
D) None of the above methods could tell you which block is the lead block.

Question

Quizplus · Accepted Answer

The lead block has more mass, so when you tap it, it will accelerate less compared to the wooden block due to its greater inertia.

Suppose That You Are Isolated and "Floating" in Outer Space