Standard Science Primary 6 Interactions

Ravi wants to reduce the friction between a heavy box and the floor to move it more easily. Which of the following methods would be most effective?

A Adding more weights into the box
B Using a rougher floor surface
C Placing rollers under the box
D Increasing the surface area of the box in contact with the floor
Show Worked Solution

Worked Solution

Step 1: Identify the goal (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 under the box

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