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Correct me if my thinking is wrong:
Q: If m is a light stone and M is a heavy one, according to Aristotle M should fall faster than m. Galileo attempted to show that Aristotle's belief was logically inconsistent by the following aruement. tie m and M together to form a double stone. Then, in falling, m should retard M, because it tends to fall more slowly than M; but according to Aristotle the double body is heavier than M and hence should fall faster than M.
A: I believe Galileo's reasoning to be incorrect because there is no upward pull in the dropping of the stone, just the force of gravity pulling them to Earth as a constant rate (ignoring air resistance), the rocks m, M, and m+M, should fall all at the same rate.
Q: A block with mass m is supported by cord C from the veiling, and a similar cord D is attached to the bottom of the block. Explain this: if you give a sudden jerk to D, it will break, but if you pull on C steadily, C will break.
A: If you give a sudden jerk, there is high acceleration, and the force applied is greater than the tension force, causing D to break. If you pull on D steadily, that is to say, with arbitrarily low acceleration, the force from the block due to gravity in addition to the applied force will cause cord C to break.
Any comments/critique is much appreciated. Thanks
Q: If m is a light stone and M is a heavy one, according to Aristotle M should fall faster than m. Galileo attempted to show that Aristotle's belief was logically inconsistent by the following aruement. tie m and M together to form a double stone. Then, in falling, m should retard M, because it tends to fall more slowly than M; but according to Aristotle the double body is heavier than M and hence should fall faster than M.
A: I believe Galileo's reasoning to be incorrect because there is no upward pull in the dropping of the stone, just the force of gravity pulling them to Earth as a constant rate (ignoring air resistance), the rocks m, M, and m+M, should fall all at the same rate.
Q: A block with mass m is supported by cord C from the veiling, and a similar cord D is attached to the bottom of the block. Explain this: if you give a sudden jerk to D, it will break, but if you pull on C steadily, C will break.
A: If you give a sudden jerk, there is high acceleration, and the force applied is greater than the tension force, causing D to break. If you pull on D steadily, that is to say, with arbitrarily low acceleration, the force from the block due to gravity in addition to the applied force will cause cord C to break.
Any comments/critique is much appreciated. Thanks