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Type: Multiple-Choice
Category: Magnetism and Electricity
Level: Grade 8
Author: feesara
Created: 3 months ago

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Magnetism and Electricity Question

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Grade 8 Magnetism and Electricity

Which of the following results in a decrease of friction?
  1. applying more force when scrubbing a dirty pot
  2. oil added to a car engine to lubricate moving parts
  3. deep tread on snow tires to increase traction
  4. scrubbing food from a dish with the rougher side of the sponge
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