判断题

约束反力是阻碍物体运动的力。（）

答案：正确

你可能感兴趣的试题

凡是合力都比分力大。（）

答案：错误

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