Advanced Science Primary 6 Interactions

Tim wants to reduce the friction between a heavy box and the floor. Which of the following would be most effective?

A Using a rougher surface for the floor
B Placing rollers beneath the box
C Adding more weights inside the box
D Increasing the surface area of the box
Show Worked Solution

Worked Solution

Step 1: Identify the ways to reduce friction. Step [2-9]: Rollers convert sliding friction into rolling friction. Step [2-9]: Rolling friction is significantly lower than sliding friction.

Correct answer: Placing rollers beneath the box

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