Standard Science Primary 6 Interactions

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

A Using a rougher surface for the floor
B Using a larger box of the same mass
C Adding rollers under the box
D Increasing the weight of the box
Show Worked Solution

Worked Solution

Step 1: Identify methods that reduce contact between surfaces. Step 2: Rollers convert sliding friction into rolling friction. Step 3: Rolling friction is significantly lower than sliding friction.

Correct answer: Adding rollers under the box

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