(Question)
Answer the question based on the following text. Question: If a surface were to be scratched up, it should encounter more or less friction? Text: Rougher surfaces have more friction between them than smoother surfaces.
(Answer)
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(Question)
Answer the question based on the following text. Question: Sasha increases the frequency of a wave. This wave now has more or less energy? Text: Higher-frequency waves have more energy.
(Answer)
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(Question)
Answer the question based on the following text. Question: Ivan and Rita weighed themselves. Ivan weighs less than Rita. Who has a larger gravitational pull Ivan or Rita? Text: The greater the mass of the objects, the stronger the gravitational pull between them.
(Answer)
Rita