Standard Science Primary 6 Interactions

Ravi wants to reduce the friction between a heavy crate and the floor. Which of the following would NOT help?

A Using a trolley with rollers
B Applying wax to the floor
C Using a polished wooden board
D Adding more weights into the crate
Show Worked Solution

Worked Solution

Step 1: Friction increases when the pressing force (weight) increases. Step [2-9]: Adding weights makes the crate heavier, increasing friction.

Correct answer: Adding more weights into the crate

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