A woman runs as shown.
What main energy conversion occurs?
(1 point)
Responses
Mechanical energy changes into chemical energy as the kinetic energy from motion creates reactions in the surrounding air.
Mechanical energy changes into chemical energy as the kinetic energy from motion creates reactions in the surrounding air.
Thermal energy changes into mechanical energy because heat provides energy for motion.
Thermal energy changes into mechanical energy because heat provides energy for motion.
Chemical energy changes into mechanical energy because energy from digestion of food provides energy for the runner’s motion.
Chemical energy changes into mechanical energy because energy from digestion of food provides energy for the runner’s motion.
Mechanical energy changes into thermal energy because the energy from motion creates heat in the air around the runner.
Chemical energy changes into mechanical energy because energy from digestion of food provides energy for the runner’s motion.
The main energy conversion that occurs when a woman runs is:
Chemical energy changes into mechanical energy because energy from digestion of food provides energy for the runner's motion.
The main energy conversion that occurs when a woman runs is that chemical energy changes into mechanical energy because energy from the digestion of food provides energy for the runner's motion.
To arrive at this answer, we can break down the process:
1. The human body converts the chemical energy stored in the food we eat into usable energy through the process of digestion and metabolism.
2. This chemical energy is then stored in the form of molecules called adenosine triphosphate (ATP), which acts as a carrier of energy within cells.
3. When the woman runs, her muscles contract and relax, causing movement. This movement is powered by the conversion of ATP into mechanical energy.
4. The mechanical energy generated by the muscles allows the woman to move, generating kinetic energy.
Therefore, the correct answer is that chemical energy changes into mechanical energy because energy from digestion of food provides energy for the runner's motion.