Question

Which of the following energy transformations occurs when you eat a hamburger?
The chemical energy in the food is converted to mechanical energy to give the body energy to move.

The chemical energy in the food is converted to sound energy to help the body hear.

The chemical energy in the food is converted to nuclear energy to help with digestion.

The chemical energy in the food is not converted and is lost when the food is eaten

Answer 1

Answer:

The correct answer is (A) The chemical energy in the food is converted to mechanical energy to give the body energy to move.

Explanation:

The chemical energy in food can be converted to another form of chemical energy when it is stored as glucose or fat. The chemical energy in our food can also be converted to mechanical energy in the form of muscle movement and it provides us energy to travel and move from one place to another pace. The entire energy is not converted to mechanical though, it is also converted into heat energy.

Answer 2

Option (A) is correct. The chemical energy of the hamburger gets converted into the mechanical energy and makes the body to move.

Explanation:

The law of conservation of energy states that the energy can neither be created nor be destroyed. It can only be converted from one form to the another using the suitable means as per the requirements.

The human body also does not generate any type of energy. It rather makes use of the energy obtained from the food and utilizes it to perform the various tasks required.

The energy stored in the food is in the form of the chemical energy of the bonds presents in the food molecules. The human body consumes the food and uses the energy from the food to convert it to mechanical energy and makes the body move and do several mechanical works and movements.

There is some loss of energy in the conversion in the human body in the form of heat and sweat etc. but this chemical energy from food is the only source of energy that is further converted into different forms by different organs as per the requirements.

Thus, Option (A) is correct. The chemical energy of the hamburger gets converted into the mechanical energy and makes the body to move.

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Answer Details:

Grade: High School

Subject: Physics

Chapter: Energy conversion

Keywords:

energy, transformation, conversion, hamburger, food, chemical, molecules, mechanical, body, move, perform, organs, digestion.