📅 NSB MS 2007🎓 MS🔄 Round 11#️⃣ Question 17❓ TOSS-UP✍️ Short Answer
If the knob of a door knob is 8 centimeters in diameter and the rod that the door knob turns to allow the door to be opened is 2 centimeters in diameter, what is the ideal mechanical advantage of this simple machine?
✔️Answer:4
🚀
Take Your Prep to the Next Level
Practice with interactive modes, adaptive testing, and detailed stats on our main app.