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WorksheetsFinal Exam Review
Total questions: 8
Worksheet time: 16mins
A cart carrying a brick is pulled up an inclined plane. At what point does the cart have the greatest amount of potential energy?
point A
point C
it has the same amount of potential energy at each position because the mass of the cart doesn't change
point B
The diagram below shows a water turbine Which of the following correctly represents the order of the energy transformations occurring in the water turbine?
electrical to thermal to mechanical
mechanical to thermal to sound
thermal to mechanical to electrical
sound to electrical to mechanical
A marble is given potential energy by being placed at Location W. When the marble is released, it rolls down the track as shown below. At which location does the marble have maximum kinetic energy?
location W
location X
location Y
location Z
When a lion eats a zebra and then uses the energy from the zebra to run, the lion’s body converts –
chemical energy to mechanical energy
electrical energy to chemical energy
chemical energy to light energy
mechanical energy to chemical energy
The main parts of a working clothes dryer are shown in the diagram. This appliance dries clothes primarily by converting –
electrical to heat to mechanical
mechanical to heat to electrical
electrical to heat to light
mechanical to heat to vaporization
A student drew the diagram below to show the movement of water through a hydroelectric dam. The student used the diagram to describe changes in the potential and kinetic energy of the water. At which location is the gravitational potential energy of the water the greatest?
location W
location X
location Y
location Z
What keeps planets in the solar system from moving in straight lines through the galaxy?
gravity
light energy
inertia
potential energy
A bus traveled 20 km in 30 minutes. What is the average speed of the bus?
20 km/h
30 km/h
40 km/h
50 km/h
