The following are some of the items that are appropriate:
The number of engines
The number of cars the engines are pulling
The total tonnage being pulled
The speed at which the train is moving
The total length of the train
Fuel consumption per mile of travel
you would measure it with feet
What is the most appropriate instrument to measure
A centimetre.
inches
The appropriate unit to measure weight is the newton. Now, if it is really the mass you wanted, you could use kilogram or gram.
an appropriate measure for your weight is killograms
The Unit Used To Measure A Train Can Be Kilometer.
you would measure it with feet
miles
Meters
educate
You do not potty train dogs. You train them to defecate in appropriate places. It should take 2 to 4 weeks.
What is the most appropriate instrument to measure
to know what is the measure
yards
A centimetre.
inches