判断题

凡是合力都比分力大。（）

答案：错误

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Mark the letter that identifies the tone for each of the following sentences. _____ Baseball was invented as an urban game in order for owners to make money, players to become arrogant, and spectators to drink overpriced beer.

答案： humorous

凡是在二力作用下的约束称为二力构件。（）

答案：错误