In the formula 2R + G, which is used to determine the comfort and safety of a staircase, R stands for the rise of a step, and G stands for...

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In the given formula 2R + G, where R is specified as the rise of a step, the other variable is G. The term 'going' is the established designation for the horizontal distance or depth of a tread, which is effectively the run that a person steps over with each step. This makes G correspond to the horizontal component of a stair, linking it to comfort and safety in conjunction with the rise.

Since there are no provided multiple-choice options, we rely on standard stair terminology: rise (vertical height of each step) and going (horizontal depth of each step). The formula 2R + G is a classic way to approximate stair ergonomics; the factor of 2R accounts for the ascent on both the step being used and the one before, while G (the going) governs how much forward travel occurs with each step.

If someone were to confuse G with another dimension (like the total run of the staircase or the tread width), that would be a misconception, because in standard terminology G specifically denotes the going, i.e., the horizontal distance from the front of one tread to the front of the next tread.

In summary, the term that G stands for in this context is the going, the horizontal depth of a single tread, which together with the rise helps assess comfort and safety in stair design.

ABPL30041_2025_SM1 Quiz 1 - Early Tutorial

In the formula 2R + G, which is used to determine the comfort and safety of a staircase, R stands for the rise of a step, and G stands for...

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