📅 NSB 2019🎓 HS🔄 Round 11#️⃣ Q7🌟 BONUS✍️ Short Answer
Identify all of the following three statements that are always true regarding motion in a closed path: 1) If no displacement occurs, zero work was done; 2) Going around a closed path requires negative work; 3) Mechanical energy is conserved.
✔️Answer:NONE OF THEM
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