Why is this such hard work?

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Grades 1 and 2 - Science - Elementary School - Forces & Stopping — practice the complete quiz, review flashcards, or try a random question.

Do you know how forces affect speed and going faster? What about forces slowing things down and stopping them? We stop cars and bikes by using friction. When you throw a ball up into the air, what happens? Why does it not just keep going up for ever? Because of gravity.


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