Assertion: hammer's head | /r/HasAspect | the more
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text: Further, there is more to this than how much energy is stored in the head; as the entry does note, it's very important how far the head travels before stopping, and while I'm no physicist, it seems clear that since momentum is mass times velocity, and stopping something represents a change in momentum where typically you can't change the mass, the more mass the head has, the less velocity (for the same momentum), implying that a high mass head is "easier" to stop - i.e. it should travel less distance before stopping,