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1)50 cm3 of wood is on water, and 50 cm of ironis totally submerged. Which has t

ID: 1836507 • Letter: 1

Question



1)50 cm3 of wood is on water, and 50 cm of ironis totally submerged. Which has the greater buoyant force on it? (a) the wood (b) he iron (c) both have the same buoyant force (d) cannot be determined without knowing their densities 2) As a rock sinks deeper into water of constant density, what happens to the buoyant force c (a) it increases (b) it decreases (c) it remains constant (d) it may increase or decrease, depending on the shape of the rock (e) it may increase or decrease, depending on the weight of the rock

Explanation / Answer

1)

The iron has greater buoyant force as it displaces more water.

answer is b

2)

The buouyant force on the rock remains constant.

answer is c