Ray consumes 2400 kcal per day and expends 2400 kcal per day is the following individuals is in energy balance (equilibrium).
Energy balance is the condition that is reached when energy intake and energy usage are equal. This idea can be used to show how variations in energy intake and expenditure will cause changes in body weight over time. Bodyweight is steady when the body is in a state of energy balance.
What is Equilibrium?
In physics, a system is said to be in equilibrium when neither its internal energy state nor its state of motion tend to vary over time. If a simple mechanical body experiences neither linear acceleration nor rotational acceleration, it is said to be in equilibrium. If this state is not disturbed by an external force, it will persist unbrokenly.
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