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depends how big the ball is >.>
outside:cut the red one with the green string then cut the green one with the blue string next you cut the red string on the pipe then cut the orange ball with the green string then you cut the blue string on the pipe then cut the red ball with the yellow string inside:i have no idea.
Two possibilities: The line is linear over some of its length and then goes non-linear (or the other way round: Think of a mass, at the end of a string, being swung in a circle. Then the string is cut. The motion of the mass would have been circular (lon-linear) until the instant the string was cut and then linear, as it flies off into a tangent. Or The line is linear from one perspective but not from another: Think of the trajectory of a ball that is thrown up at an angle to the horizon. If seen from above, the ball travels in a straight line (linear) but if seen from the side it follows a parabola (non-linear). Hope that helps.
The steel ball with model of Ø120㎜、Ø100㎜、Ø80㎜ should be added。
Use a straw to suck that ball Take it out from the other end of the pipe Use some sticky chewing gum on the end of a bit of string, or a cane - also handy for getting screws and things off the floor when you drop them down between things Fill the pipe with water and the ball will float out. Turn the pipe upside down Answer Use a vacume cleaner.