Riley is doing an experiment working with friction. He wants to find two ways to modify an object that could increase or decrease the same type of friction. Which methods could he use to perform his experiment? increasing roughness and speed increasing surface area and aerodynamic design using nonstick materials and ball bearings using lubricants and increasing surface area
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During this experiment it will be necessary for Riley to increase roughness of the space if he wants to increase the friction.
A rough space will provide a great base for friction and will thus increase speed.
Therefore, A is the correct answer increasing roughness and speed.
A rough space will provide a great base for friction and will thus increase speed.
Therefore, A is the correct answer increasing roughness and speed.
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Answer:
A
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