normal to the ground

USAGE SUMMARY

The phrase "normal to the ground" is correct and usable in written English.
It is typically used in geometry, physics, or engineering contexts to describe a line or vector that is perpendicular to the surface of the ground. Example: "The force acting on the object is directed normal to the ground, ensuring stability."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

6 human-written examples

The cone being defined by an axis is normal to the ground and is half-angle (80°) from this axis.

European Transport Research Review

Climatological mean surface currents normal to the ground tracks are also obtained from the solution of a regional circulation model.

Advances in Space Research

The analysis of pinned-base pallet rack frames under a combination of point loads normal to the ground and with proportionally increasing side loads has been analysed theoretically.

Computers & Structures

A regression model of pressure normal to the ground, qsim, and also membrane deflection, fsim, have been developed using Design of Experiment.

Computers and Geotechnics

The corrected moment curvature equation was then used in an investigation into the sway behaviour of racking structures under a combination of point loads normal to the ground and with proportionally increasing side loads.

Journal of Constructional Steel Research

Taking into account that there may be stairs or slopes along the direction of Z D in front of the door, making the door plane not normal to the ground plane, the pitch angle exists between n and n p: P_{{text{i}}} = alpha = - arcsin left( {frac^{{text{R}}}y_{n} }}{{left| {mathbf{n}} right|_{2} }}} right).

Chinese Journal of Mechanical Engineering

Human-verified similar examples from authoritative sources

Similar Expressions

54 human-written examples

Both variables are defined as the sum of two components related to: i) propagation, and ii) consolidation along the normal direction to the ground surface.

Geoenvironmental Disasters

We find that the robot applies the normal force to the ground over (R_{mathrm{ref}}) in the leg-grope step (Step D′), as marked with black circles.

ROBOMECH Journal

First, in long periods, ground motions normal to the fault line have greater spectrum values as compared with parallel motion to the fault line.

International Journal of Advanced Structural Engineering

The cylinder was mounted normal to a ground plane and was partially immersed in a fully developed turbulent boundary layer.

Journal of Wind Engineering and Industrial Aerodynamics

Sea level anomalies relative to local means for this period are derived and surface current anomalies normal to ground tracks are then calculated under the geostrophic approximation.

Advances in Space Research

Expert writing Tips

Best practice

When describing forces or vectors, specify the point of reference to avoid ambiguity. For example, "the force is acting normal to the ground at the point of contact."

Common error

Avoid using "normal to the ground" when you mean "typical on the ground". "Normal" in this context refers to a perpendicular relationship, not a common occurrence.

Linguistic Context

The phrase "normal to the ground" functions as a prepositional phrase that modifies a noun or verb. It describes the orientation or direction of an object, force, or vector in relation to the ground. Ludwig shows that this phrase often appears in scientific and technical contexts.

Expression frequency: Uncommon

Frequent in

Science

57%

Wiki

14%

News & Media

14%

Less common in

Encyclopedias

0%

Formal & Business

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "normal to the ground" is a prepositional phrase indicating a perpendicular relationship to the ground's surface. Ludwig confirms its grammatical correctness and common usage in scientific and technical fields. When using this phrase, ensure that the context requires a precise spatial description and that "normal" is not confused with "typical". Alternatives such as "perpendicular to the ground" can be used for clarity or variation. Remember to specify the point of reference to avoid ambiguity in technical descriptions.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

perpendicular to the ground

Replaces "normal" with its direct synonym "perpendicular", maintaining the exact spatial relationship.

at right angles to the ground

Expresses the same spatial relationship using a more descriptive phrase.

orthogonal to the ground

Uses a more formal and technical synonym for "normal", suitable for scientific contexts.

vertically aligned with the ground

Focuses on the vertical alignment, emphasizing the direction relative to the ground.

upright from the ground

Highlights the upright position, implying a perpendicular relationship.

at a 90-degree angle to the ground

Specifies the angle more explicitly, ensuring clarity in technical descriptions.

straight up from the ground

Emphasizes the upward direction and the straightness relative to the ground.

rising vertically from the ground

Describes the action of something rising in a direction that is perpendicular to the ground.

in a vertical position relative to the ground

A more verbose way of stating the perpendicular relationship.

at a perpendicular angle with respect to the ground

A more formal and descriptive way of saying "normal to the ground".

FAQs

What does "normal to the ground" mean?

The phrase "normal to the ground" describes something that is perpendicular, or at a right angle, to the surface of the ground. It's commonly used in technical contexts to specify direction or orientation.

When is it appropriate to use "normal to the ground" in writing?

Use "normal to the ground" when you need to precisely describe a direction that is perpendicular to the ground. This is common in physics, engineering, and geometry. In other cases, consider using "perpendicular to the ground".

What are some alternatives to "normal to the ground"?

Some alternatives include "perpendicular to the ground", "at right angles to the ground", or "orthogonal to the ground", depending on the desired level of formality and technicality.

How does "normal to the ground" differ from "parallel to the ground"?

"Normal to the ground" means perpendicular or at a right angle, while "parallel to the ground" means oriented in the same direction as the ground surface, maintaining a constant distance from it. They are opposite spatial relationships.