Question

What are the dimensions of stress?

Options

• [L^-1M¹T^-2]

• [L⁰M⁰T⁰]

• [L¹]

• [L¹M¹T^-2]

Answer 1

[L^-1M¹T^-2]

Explanation:

Stress = Force/Area, and since force has dimensions [MLT⁻²] and area has dimensions [L²], stress has dimensions [ML⁻¹T⁻²] = [L⁻¹M¹T⁻²].