Metal Wire Strength Calculation Object Lifting Assignment

Note

1. Why do we need high strength metals for making a new car?

2. You are going to pick up “Treasure box(500kg)” at bottom of deep hole (5000m in depth). You have a long steel wire with 30kg/mm2 of strength, 5mm of diameter and 10000m of length. Can you pick up the box, or not? (If you couldn’t pick up by using the steel wire, what type of wire to get to pick up the box?)

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