One objection holds that deeds are accidents: many actions are events that occur and pass away, not enduring physical objects. How could movement, speech, obedience, or sin be placed in a pan like metal or stone?
The argument relies on two premises:
1. Deeds, as normally observed, are not independent material objects with weight.
2. Weighing in the Hereafter must take precisely the same form as worldly physical weighing.
The first observation does not establish the second assumption. Restricting an unseen reality to one familiar physical mechanism requires an independent argument.