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(Created page with "(1) The principle of the trolley driving the ball forward in the ball 210px A tennis ball is in a transparent acrylic ball. Due to the weight...") |
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(1) | ==(1) The principle of the ball forward== | ||
The principle of | |||
[[File:A motor car (9).jpg|210px]] | [[File:A motor car (9).jpg|210px]] | ||
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[[File:A motor car (6).mp4]] | [[File:A motor car (6).mp4]] | ||
(2) | ==(2) Build the car== | ||
[[File:A motor car (7).jpg|400px]] | [[File:A motor car (7).jpg|400px]] | ||
<gallery> | |||
File:A motor car (3).jpg|200px | |||
File:A motor car (2).jpg|200px | |||
File:A motor car (4).jpg|200px | |||
File:A motor car (5).jpg|200px | |||
File:A motor car (8).jpg|200px | |||
</gallery> | |||
(3) | ==(3)== | ||
===Put in the car without electricity=== | ===Put in the car without electricity=== |
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