24th October 2023, 6:53 PM
In the following experiment, I rolled a ball into another ball to find out if their masses were different. Following the law of Conservation of Energy, the speed × mass should remain constant.
e.g. A force that makes a 1kg ball move at 1 m/s would:
• Make a 2kg ball move at 0.5 m/s
• Make a 0.5kg ball move at 2 m/s
So if the masses of the balls are different, rolling a small ball into a larger ball (left) should result in both of them moving very slowly, and rolling a large ball into a small ball (right) should only cause a slight reduction in speed.
If their masses are the same, both balls would move at 0.5x the speed of the ball that was dropped regardless of the size.
You can try this out for yourself, but I am pretty certain that all balls have the same mass after testing it out.
![[Image: ZDE2Q0o.png]](https://i.imgur.com/ZDE2Q0o.png)
![[Image: fv5wL8u.png]](https://i.imgur.com/fv5wL8u.png)
e.g. A force that makes a 1kg ball move at 1 m/s would:
• Make a 2kg ball move at 0.5 m/s
• Make a 0.5kg ball move at 2 m/s
So if the masses of the balls are different, rolling a small ball into a larger ball (left) should result in both of them moving very slowly, and rolling a large ball into a small ball (right) should only cause a slight reduction in speed.
If their masses are the same, both balls would move at 0.5x the speed of the ball that was dropped regardless of the size.
You can try this out for yourself, but I am pretty certain that all balls have the same mass after testing it out.
![[Image: q2GRKUL.png]](https://i.imgur.com/q2GRKUL.png)
