<span>the ratio of the force produced by a machine to the force applied to it, used in assessing the performance of a machine.</span>
Explanation:
Flexibility is the range of motion in a joint or group of joints or the ability to move joints effectively through a complete range of motion. Flexibility training includes stretching exercises to lengthen the muscles and may include activities like yoga or Tai Chi
Answer:
50 percent of all poisonings involve children under 5 years old