The picture shows a woman running.
What is the main type of energy conversion taking place?
a
Thermal energy is converted to mechanical energy as the energy from heat provides energy for movement.
b
Mechanical energy is converted to chemical energy as the movement from movement creates reactions in the surrounding air.
c
Mechanical energy is converted to thermal energy as the energy from movement creates heat in the surrounding air.
d
Chemical energy is converted to mechanical energy as the energy from digested food provides energy for movement.
The correct answer is d. Chemical energy is being converted to mechanical energy as the individual uses energy from digested food to power their muscles and move.
d
Chemical energy is converted to mechanical energy as the energy from digested food provides energy for movement.