The statement that isotonic exercise occurs when force is exerted against an object that does move is false.
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In contrast, isotonic exercise occurs when force is exerted to move an object. In this type of exercise the contracting muscle shortens against a constant load. Lifting weights, squats, stair climbing, biceps curls are all examples of isotonic exercises.
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Answer:
refraction
Explanation:
refraction happens when a wave passes from one medium to another at an angle
Answer:
To other people, abstinence means not having sexual intercourse during the time of the month that they may be most fertile. The best description of this practice is periodic abstinence, which is considered a method of natural family planning.
Explanation:
