📅 NSB MS 2017🎓 MS🔄 Round 6#️⃣ Question 18❓ Toss-up✍️ Short Answer
You place a 10-pound weight on one end of a see-saw and find that it takes a 30-pound weight on the other end to exactly balance the see-saw. What is the mechanical advantage of the see-saw if used as a lever from the side with the 10-pound weight?
✔️Answer:3
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