Question

What is the gravitational pull?
(A). A force which pulls things towards itself
(B). Force of attraction of earth.
(C). Both A and B.
(D). None of these.

Answer 1

Hint: The gravitational force may be a force that draws any two objects with mass. We tend to call the gravitational force enticing as a result it forever tries to tug masses along, it never pushes them apart. Each object, as well as you, is pulling on each alternative object within the entire universe!

Formula used
\[ \Rightarrow F = \dfrac{{G{\text{ }}{{\text{m}}_1}{m_2}}}{{{r^2}}}\mathop r\limits^ \wedge \]
Where, $F$is the gravitational force, $G$is the gravitational constant, ${m_{1{\text{ }}}}and{\text{ }}{{\text{m}}_2}$are the masses of an object, and $\mathop r\limits^ \wedge $ is the unit vector.

Complete step by step answer:
Gravity — what's it? Is it a force? What causes it? Sir Newton was among the primary to develop a gravity model, strictly through observation, however, he couldn't make a case for it. Today, scientists still dialogue what causes gravity and that they are still troubled to supply answers. We tend to understand that if bodies did not have this gravitational force for each other, life, as we all know it on Earth, wouldn't exist. Here's what the gravitational model tells us. Two bodies, anyplace within the universe, can expertise an attraction for each other that's proportional to two things:
1) The product of their masses; and
2) The inverse square of the space between their centers. Here, this attraction is drawn by a mutual and equal pull, F, which exists between the two bodies:
\[ \Rightarrow F = \dfrac{{G{\text{ }}{{\text{m}}_1}{m_2}}}{{{r^2}}}\mathop r\limits^ \wedge \]
Where, $F$ is the gravitational force, $G$ is the gravitational constant, ${m_{1{\text{ }}}}and{\text{ }}{{\text{m}}_2}$ are the masses of an object, and $\mathop r\limits^ \wedge $ is the unit vector.
The gravitational pull of the world is the earth's attraction that the earth exerts on an object or that an object exerts on the world. It will be calculated victimization the mass of the item, the mass of Earth, the space going to between the middle of the object and also the earth's center, and also the universal constant, a constant of quotient that has been measured accurately. It's up to $ 6.674 \times {10^{ - 11}}$. One of the foremost common samples of this pull is the weight of an object on the surface of the world.
 We will build the subsequent assumptions:
The mass of the earth is $5.973 \times {10^{24}}kg$. The radius of the earth is $6.378 \times {10^{11}}$ that is the distance r.
Here is the attractive force model equation with these values substituted:
This famous result means if we all know the mass of an object on the surface of the world, we are going to know how abundant pull the earth is exerting thereon, that is, we will recognize its weight in Newtons (N).

So from the above, we can say that the gravitational pull is Both A and B. Therefore, option C will be the right choice.

Note Since, both the term gravitation and gravity look similar but there is a difference between them. Gravitation is the force of attraction between any two bodies whereas gravity is the earth’s gravitational pull on a body. Lying on near the surface of the earth.