Meaning of acceleration due to gravity I found article in which it is said that it would be incorr

kwisangqaquqw3

kwisangqaquqw3

Answered question

2022-05-20

Meaning of acceleration due to gravity
I found article in which it is said that it would be incorrect to say that g is not acceleration due to gravity but local gravitational field as there is no acceleration on a block placed on a table. Please can you explain this as I am in a school and I have read only that g is acceleration due to gravity and textbooks say this too.

Answer & Explanation

verdesett014ci

verdesett014ci

Beginner2022-05-21Added 18 answers

The term gravitational acceleration refers to the free fall acceleration of an object on the other hand gravitational force simply can be found from Newton's law of universal gravitation and even an object stands on a table force effects though there is opposite force acting on object based from the table.
Carina Valenzuela

Carina Valenzuela

Beginner2022-05-22Added 3 answers

We have another field, the electric field, defined
That's sort of a "specific force", so to speak. Force per unit of charge, where charge is the property that "makes" the force.
Is there a gravitational analogy? A gravitational field? Let's call such a thing X , and try to construct it.
X = F m
X = F m
force per unit mass, a sort of "specific force" for gravity. But we know that the local force of gravity is m g, so
X = F m = m g m = g
In that sense g is the gravitational field.
One can argue that there is a logical disconnect here in that we start knowing that the force is m g, and deducing the field from that. In the case of the electric field, the force is ... whatever it is, and F = q E follows from that. The opposite direction of the reasoning.
But let's take a practical, functional, point of view. If you refer to "the gravitational field strength at the surface of the Earth" no one will know that you are talking about g. No one calls it that.

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