What did Galileo observe by placing two inclined planes facing each other and rolling down a marble ball from top end of one of them?
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What did Galileo observe by placing two inclined planes facing each other and rolling down a marble ball from top end of one of them?
One mark Question.
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Answer:
he observed that a ball rolled down one plane from a particular height, goes to the same height on the other plane before coming to rest. This happened irrespective of the inclination of the planes.
He observed that if the slope of second plane is zero i.e. horizontal, then the ball will keep moving untill it reaches the same hight h, but since there is no increase in height, it keeps rolling till infinity.
This is the same result as the Newton first law of motion.