The diagram models a device that was the foundation for the modern electrical turbine.
Which of the following is causing the wheel to turn?
A.
Force from the mechanical energy generated by the solar radiation causes the wheel to turn.
B.
Force from the mechanical energy generated by the moving water causes the wheel to turn.
C.
Force from the thermal energy generated by the solar radiation causes the wheel to turn.
D.
Force from the thermal energy generated by the moving water causes the wheel to turn.
B. Force from the mechanical energy generated by the moving water causes the wheel to turn.
The table describes the qualities of four objects.
Object Produces Light? Temperature (°C/°F)
a bouncing basketball no 20°C/68°F
the Sun's surface yes 5500°C/10,000°F
a lit lightbulb yes 250°C/482°F
a fork sitting on a table no 15°C/59°F
Which of the following is most likely true?
A.
Small objects produce more light than larger objects.
B.
Large objects produce less heat than smaller objects.
C.
Objects that produce light energy often produce heat energy.
D.
Objects that do not produce light energy have high temperatures.
C. Objects that produce light energy often produce heat energy.
B.
Force from the mechanical energy generated by the moving water causes the wheel to turn.
To determine which of the given options is causing the wheel to turn in the diagram, we need to analyze the functions of the device and the energy sources involved.
First, let's examine the options:
A. Force from the mechanical energy generated by solar radiation causes the wheel to turn.
B. Force from the mechanical energy generated by moving water causes the wheel to turn.
C. Force from the thermal energy generated by solar radiation causes the wheel to turn.
D. Force from the thermal energy generated by moving water causes the wheel to turn.
Since the device in the diagram is a turbine, it is primarily driven by mechanical energy. This rules out options C and D, which refer to thermal energy.
Now, let's consider option A, which suggests that the mechanical energy is generated by solar radiation. While solar radiation can be converted into mechanical energy through various means, such as solar panels, the diagram does not indicate the presence of any solar panels or any direct connection to solar radiation. Therefore, option A is unlikely to be the correct answer.
This leaves us with option B — force from the mechanical energy generated by moving water causes the wheel to turn. This is a plausible explanation since the device in the diagram appears to be a water turbine. Water turbines are commonly used to harness the mechanical energy from flowing or falling water to generate electricity. The force created by the moving water pushes against the blades of the turbine, causing it to rotate.
Therefore, the correct answer is B. Force from the mechanical energy generated by moving water causes the wheel to turn.