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College Physics (Urone)
Found in: Page 259

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Short Answer

Discuss the relative effectiveness of dieting and exercise in losing weight, noting that most athletic activities consume food energy at a rate of 400 to 500 W, while a single cup of yogurt can contain 1360 kJ (325 kcal). Specifically, is it likely that exercise alone will be sufficient to lose weight? You may wish to consider that regular exercise may increase the metabolic rate, whereas protracted dieting may reduce it.

Dieting and exercise both are weight-losing processes, but exercise is more effective as it increases the metabolism rate, which helps in burning the body’s fat.

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Step by Step Solution

Step 1: Definition of Concepts

Dieting and exercise: Both dieting and exercise are weight loss processes. The difference between dieting and exercise is that in dieting body uses the stored energy of the body to sustain the life process, whereas in exercise, the metabolism rate of the body increases which helps in burning the stored fat.

Step 2: Explain the relative effectiveness of dieting and exercise in losing weight

Alone exercise will not be effective because if you consume more fat then the fat will keep on storing in the body, irrespective of a higher metabolism rate.

Therefore, in process of losing weight both exercise and dieting are important.

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