Answer and explanation

Correct answer: B. When its density is lower than the density of the liquid

  1. Step 1: An object floats if the buoyant force equals its weight. Step 2. This happens when its density is lower than the liquid. Answer: when its density is lower. Why not the others: these conditions make it sink.

Practise more Technical Understanding.

Free questions with an explanation for every one, and full timed Ausbildung Aptitude Test (Einstellungstest) mock tests.