Standard Science Primary 6 Interactions

Ravi is sliding a heavy box across the floor. Which of the following would DECREASE the amount of friction between the box and the floor?

A Pushing the box with more force.
B Using a rougher material for the bottom of the box.
C Applying a layer of wax to the floor.
D Adding more items into the box.
Show Worked Solution

Worked Solution

Step 1: Friction depends on the roughness of the surfaces in contact. Step [2-9]: Wax acts as a lubricant, making the surface smoother. Step [2-9]: Smoother surfaces result in less friction.

Correct answer: Applying a layer of wax to the floor.

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