21
QuizMultiple Choice

Unit Test — Unit test

Question 21 • DL Physical Science A (switched content, 2023+)

A tuna fish body is streamlined to reduce friction. Which describes the type of friction the fish must overcome?

Answer
A
kinetic friction
B
rolling friction
C
static friction
D
fluid friction

Explanation

As a tuna swims, it moves through water, and the water resists its motion. This resistance is fluid friction, so streamlining helps reduce the drag caused by the surrounding water. The correct choice is fluid friction.

AI-written and checked against the verified answer.

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