Standard Science Primary 6 Interactions

Michael observed that it was harder to push a heavy crate across a carpeted floor than a tiled floor. This is because __________.

A there is more frictional force between the crate and the carpet
B the carpeted floor is smoother
C the tiled floor is a better conductor of heat
D there is more gravitational force on the carpet
Show Worked Solution

Worked Solution

Step 1: Carpet is a rougher surface than tiles. Step [2-9]: Rougher surfaces create more friction when an object moves across them. Step [2-9]: Higher friction requires more force to overcome.

Correct answer: there is more frictional force between the crate and the carpet

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