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Class 9 Science Exploration: Entering the World of Secondary Science Variables in an experimentEasy

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Why should the mass of the toy car be kept the same in a spring experiment?

Answer and explanation

Correct answer: So only the effect of spring compression is tested

The car's mass can affect speed so it should be kept the same. In exams treat it as a controlled variable.

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Car-Mass Controlled-Variable Spring Variables In An Experiment Exploration: Entering The World Of Secondary Science Exploration Entering The World Of Secondary Science Science Class 9 Mcq

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