Foundation Science Primary 6 Interactions

Siti observed that it was harder to push a heavy box across a carpeted floor than a tiled floor. Which of the following is the most likely reason?

A Gravity acts more strongly on the box on the carpeted floor.
B The carpeted floor has a smoother surface.
C The carpeted floor exerts more frictional force on the box.
D The tiled floor is a better conductor of heat.
Show Worked Solution

Worked Solution

Step 1: Friction opposes motion between two surfaces in contact. Step [2-9]: Carpet is rougher than tile, creating more resistance. Step [2-9]: Therefore, the carpeted floor exerts more frictional force.

Correct answer: The carpeted floor exerts more frictional force on the box.

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