Sphere on a sphere
<img src="https://eng-calculations.com/SVG/Roark(and39)s_formulas_for_Stress_and_Strain/Formulas_for_stress_and_strain_due_to_pressure_on_or_between_elastic_bodies_(TABLE_14(and46)1)/Sphere on a sphere.svg" alt="Sphere_on_a_sphere" title="Sphere_on_a_sphere">
https://eng-calculations.com/SVG/Roark(and39)s_formulas_for_Stress_and_Strain/Formulas_for_stress_and_strain_due_to_pressure_on_or_between_elastic_bodies_(TABLE_14(and46)1)/Sphere on a sphere.svg