Home Physics PHYSICS: A Textbook for Grade 10 Chapter 6: Properties of Matter
1.
A 2 m long steel wire has a cross-sectional area of 4 m2. It hangs from a tall ceiling, and a load of 0.5 kg mass is attached to its end. What is tensile strain on the wire?
0.625×10-11
625×10-5
6.25×10-5
0.625×10-7