Two ways a locomotive starts
P = Fv; constant-power start (a decreases as v grows), constant-acceleration start (transitions to constant-power); v_max = P/f.
Work & mechanical energyWork, kinetic/potential energy, and conservation.
Start here
Two ways a locomotive starts
Locomotive: constant power or constant acceleration startup modes. This “Two ways a locomotive starts” page is an MVP interactive sketch — formulas, controls, and live readouts in the browser; a fuller bench may follow.
Locomotive: constant power or constant acceleration startup modes.
Key formulas
P=Fvv_{\max}=\frac{P}{f}a=\frac{F-f}{m}
How to use
- Adjust parameters in the left panel.
- Use play / pause and speed controls.
- Match right-side readouts to the formulas.
- Reset to return to the initial state.
Applications
- Two ways a locomotive starts: Locomotive: constant power or constant acceleration startup modes.
- In class, tune parameters for “Two ways a locomotive starts”, then check against the textbook result.
FAQ
What does MVP mean on this page?
An interactive sketch with formulas and parameters. Polished Ready labs are the full bench experience.
What does the “Two ways a locomotive starts” lab practice?
Tune parameters and match readouts to the “Two ways a locomotive starts” relations — useful for prep and demos.
Self-study or classroom?
Both — tune alone, or project “what if…?” demos in class.
Readouts don’t match the formula?
Check units and ranges, then substitute step-by-step from the formula panel.