Comparing an object's average density (left(ho_{mathrm{o}} ight)) to that of a fluid (left(ho_{mathrm{f}} ight)). What is the

Comparing an object's average density \(\left(ho_{\mathrm{o}}\right)\) to that of a fluid \(\left(ho_{\mathrm{f}}\right)\). What is the condition for the object to sink:

(a) \(ho_{\mathrm{o}}

(b) \(ho_{\mathrm{f}}

(c) \(ho_{\mathrm{f}}=ho_{\mathrm{o}}\) ?