英语翻译Slow Down You know that when you hit a baseball high into the air ,it comes down because of gravity .After it hits the ground ,the ball bounces,slow down ,and comes to a stop .Why doesn’t it just keep on rolling A force called friction

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英语翻译SlowDownYouknowthatwhenyouhitabaseballhighintotheair,itcomesdownbecauseofgravity.Afterithitstheg

英语翻译Slow Down You know that when you hit a baseball high into the air ,it comes down because of gravity .After it hits the ground ,the ball bounces,slow down ,and comes to a stop .Why doesn’t it just keep on rolling A force called friction
英语翻译
Slow Down
You know that when you hit a baseball high into the air ,it comes down because of gravity .After it hits the ground ,the ball bounces,slow down ,and comes to a stop .Why doesn’t it just keep on rolling A force called friction acts on the ball to make it slow down and stop .

英语翻译Slow Down You know that when you hit a baseball high into the air ,it comes down because of gravity .After it hits the ground ,the ball bounces,slow down ,and comes to a stop .Why doesn’t it just keep on rolling A force called friction
1楼的翻译.汗
减速!你一定知道,当你把一个棒球打向空中,他由于重力的作用,会降落下来.当他弹到地上,他会反弹,最后减速,慢慢得停下来.为什么他不是一直保持着滚动呢?有一种力称为摩擦力,作用在球上,使得他减速并且停下.