绳子会说,“啊哈,这家伙需要我来帮忙拉了“,因为此时只靠重力加速度,不足以提供向心加速度了,需要额外的补充
The string will say "Aha! I'm going to pull now on this person "because the gravitational acceleration alone is not enough-- I need some extra pull."
绳子会说,“啊哈,这家伙需要我来帮忙拉了“,因为此时只靠重力加速度,不足以提供向心加速度了,需要额外的补充
The string will say "Aha! I'm going to pull now on this person "because the gravitational acceleration alone is not enough-- I need some extra pull."
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