Sara pushed a wooden block across three different surfaces (X, Y, and Z) with the same amount of force. The distance travelled by the block is shown in the table below. Which surface exerted the GREATEST frictional force?
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Worked Solution
Step 1: Frictional force opposes motion. The greater the friction, the shorter the distance travelled.
Step [2-9]: Identify the surface with the shortest distance from the table (Surface Y: 12cm).
Step [2-9]: Therefore, Surface Y exerted the greatest frictional force.
Correct answer: Surface Y
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