资源描述
1/66,2/66,3/66,质量,4/66,5/66,运动,静止,参考系,不一样,地面,6/66,7/66,8/66,9/66,初位置,末位置,运动轨迹,矢量,方向,等于,小于,10/66,11/66,所用时间,位移,切线,大小,12/66,13/66,改变,14/66,改变快慢和方向,15/66,合外力,物体加速,物体减速,16/66,17/66,18/66,19/66,20/66,21/66,22/66,23/66,24/66,25/66,26/66,27/66,28/66,29/66,30/66,31/66,32/66,33/66,34/66,35/66,36/66,37/66,38/66,39/66,40/66,41/66,42/66,43/66,44/66,45/66,46/66,47/66,48/66,49/66,50/66,51/66,52/66,53/66,54/66,55/66,56/66,57/66,58/66,59/66,60/66,61/66,62/66,63/66,64/66,65/66,66/66,
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