G is for gradient #AtoZChallenge

For the A to Z in April Challenge 2019 I have picked some words, which are connected with physical space.

G is for gradient meaning slope –
The height for distance quotient
Equals it, I hope.
At sums are you proficient?

A road sign on a steep hill

Living on a hill in a hilly county I am aware of changing gradients beneath my feet. Drivers of cars with manual gears need to notice the changing levels of roads in order to be in the optimum gear. Choosing too high a gear going up a hill could cause the car to slow down and even stall the engine!

Low gears are also recommended for driving downhill. The engine helps slow the car and avoids wear and tear on the brakes.

On railways there are trackside signs indicating the gradient. Embankments, cuttings and tunnels are used to avoid slopes. Trains travel more efficiently on level ground.

At sea there is another word for gradient or slope: list. If the decks are not horizontal it is due to a list.

Climbing mountains in the Bible leads to some significant events. Moses received the Ten Commandments on Mount Sinai. Jesus Christ was transfigured on a high mountain.

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