Standard Science Primary 6 Interactions

Ravi is trying to push a heavy crate across a rough concrete floor. Which of the following would make it EASIER for him to move the crate?

A Using a trolley with rollers under the crate
B Sprinkling some fine sand on the floor
C Adding more items into the crate
D Placing a rubber mat under the crate
Show Worked Solution

Worked Solution

Step 1: Identify the goal (reduce friction).Step 2: Rolling friction is much lower than sliding friction.Step 3: Final \1 Using a trolley with rollers.

Correct answer: Using a trolley with rollers under the crate

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