Per NCERT, in the 17th century which scientist argued through THOUGHT EXPERIMENTS that an object moving on a horizontal plane with no impediments would continue forever — anticipating Newton's First Law?
AAlbert Einstein
BIsaac Newton
CAristotle
DGalileo Galilei
Answer & Solution
Correct answer: D. Galileo Galilei
Per NCERT §6.3 Meet a Scientist box, Galileo (17th CE) argued via thought experiments that motion without friction continues forever. Aristotle had the OLDER incorrect view; Newton formalised it later.
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