英語翻譯Push a child in a swing,or ride a planet around the sun,

題目：

英語翻譯
Push a child in a swing,or ride a planet around the sun,and you’re using Newton’s second law of motion,which states that whenever you want to change the speed or direction of something,you have to apply an appropriate force.

解答：

無論是推小孩盪鞦韆,還是隨著行星圍繞著太陽轉,都涉及了牛頓第二運動定律.該定律的內容是：無論在何時,想要改變一個物體的速度或者是方向,你都必須用一定的力量.