1. Action and reaction are opposite and equal.

  2. The moon rotates rather slowly, so one day on the moon is as long as two weeks on Earth.

  3. Computers may be classified as analog and digital.

  4. It is evident that a well-lubricated bearing turns more easily than a dry one.

  5. The force upward is equal to the force downward, so the balloon stays at the same level.

  6. In radiation, thermal energy is transformed into radiant energy, which is similar in nature to light.

  7. Vibrating objects produce sound waves, with each vibration producing one sound wave.

  8. The rotation of the Earth on its own axis causes the change from day to night.

  9. It has been proven that induced voltage causes a current flow in opposition to the force producing it.

  10. The resistance was very high, and the current in the circuit was very low.


原文地址: http://www.cveoy.top/t/topic/osSO 著作权归作者所有。请勿转载和采集!

免费AI点我,无需注册和登录