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It is easier to roll a barrel full of coal tar than to pull it because

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It is easier to roll a barrel full of coal tar than to pull it because Answer: the rolling friction is much less than the sliding friction

Question context

This question is part of 📚 General Knowledge within the broader 🌐 Current Affairs & GK subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.