The Young Scientists Level 3- 180 The Winding Road Uphill

The Young Scientists Level 3- 180 The Winding Road Uphill
An inclined plane is an even sloping surface that supports part of the weight of an object so that it can be carried from below to an upper level with minimum effort. However, the distance to carry the object will be longer.

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關鍵字詞: STEM | Science | English

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