Without windows, you can’t directly observe the ship’s movement. However, if you drop an object and it falls straight down, the ship is moving. In a stationary ship, the object would appear to drift.
Suppose you are travelling on a ship which is moving at a constant speed along a straight line on a calm sea. Suppose there is no window on the ship. Is there any way that you can determine whether the ship is moving or is stationary?
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If there are no windows, determining if the ship is moving can be challenging. However, if you drop an object, observe its fall. On a moving ship, the object will fall straight down due to inertia, but if the ship were stationary, you might notice the object shifting relative to the ship due to the motion of the ship. Additionally, external indicators like a compass or GPS, if available, can confirm the ship’s movement.
For more CBSE Class 6 Science Curiosity Chapter 5 Measurement of Length and Motion Extra Questions & Answer:
https://www.tiwariacademy.com/ncert-solutions-class-6-science-curiosity-chapter-5/