📅 NSB 2012🎓 HS🔄 Round 4#️⃣ Q17❓ TOSS-UP✍️ Short Answer
A person standing on a scaffold lowers an object with a weight of 250 newtons by means of a rope, at constant speed. If the weight of the rope is negligible, what is the force in newtons that the person exerts on the rope?
✔️Answer:250
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