Questions on Energy, Energy Transformation, Force, and Machines
1. What type of energy would be required to make the wheels rotate?
2. How is potential energy transformed when the wheels start moving?
3. Describe how kinetic energy is involved in the movement of the wheels.
4. If this machine is motorized, what type of energy transformation occurs within the motor?
5. How does friction affect the energy efficiency of this machine?
6. What kind of energy is stored in a battery that could power this machine?
7. How does rotational energy in the wheels affect the overall movement of the machine?
8. What is the role of electrical energy if a motor is used to drive this machine?
9. Describe how energy losses might occur in this setup and what causes them.
10. How would the machine's energy efficiency change if larger wheels were used?
11. What force is required to initiate the movement of the wheels?
12. How does friction between the wheels and the surface impact the force needed to move the
machine?
13. What role does the axle play in transmitting force to the wheels?
14. How would adding weight to the frame affect the force needed to move the machine?
15. What is the effect of gravity on the machine’s movement on a horizontal surface?
16. How would the machine behave if placed on an inclined surface, and how does this relate to
forces?
17. How does the axle lock help in controlling the direction or stability of the wheels?
18. What type of force would be needed to stop the wheels if they are in motion?
19. How does the distribution of force between the two wheels affect the stability of the
machine?
20. What effect does applying a stronger force on one wheel than the other have on the
machine’s motion?