Difficulty | Secondary School | High school/other |
★ | Basic | Easy |
★★ | Demanding | Basic |
★★★ | Demanding | |
★★★★ | Difficult | |
★★★★★ | Very difficult |
Determine the modulus of elasticity of the solid metal bar. What metal could the bar be made of? (Note: Video contains audio)
Answer: $192\cdot{10^9}\frac{N}{m^2}$