What is the pull force that acts on an object due to gravity?

Answer 1

Gravity is one of the four fundamental 'fields of force' that exist in the universe.

It is universally attractive and is proportional to the mass of the objects and inversely proportional to the square of the distance apart.

Answer 2

The gravitational force exerted on an object, according to classical mechanics, is the product of the gravitational constant, the object's mass, and the mass of the object exerting the gravitational force divided by the square of the magnitude of the position vector starting from the object exerting the gravitational force and pointing to the object which we are measuring the force exerted onto. And all of this is times the negative of that same position vector.

Answer 3

Fg = G (m1*m2)/(d^2)

where G= gravitational constant (6.67*10^-11 Nm^2/kg^2)

m1 and m2 = the masses object 1 and object 2 respectively

d=the distance (in meters) between the two objects (note: it is sometimes referred to as r, as the equation is mainly used when dealing with stars, which have circular orbits, meaning we use radii for distance)

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On Earth, it's 9.8 Newtons (2.205 pounds) for each kilogram of mass.

It's different in other places, and with different masses. But whatever the

force turns out to be, most people call it the object's "weight".

Answer 4

If your question is referring to an object on Earth, simply use Newtons force equation and the acceleration due to gravity here on Earth.

Force = Mass*Acceleration

Acceleration =: Gravitational acceleration on Earth is 9.81m/s2 or 32.2 ft/s2

Mass =: You will need to know the mass or the object in kilograms or pounds

Force =: Multiply the above to parameters together and you have your force due to gravity with units of Newtons (kg*m/s^2) or Pounds Force (lb*ft/s^2)

NOTE: This is all assuming that your object is on a flat surface. While the force will be the same, if it is on an incline or something like that, the force of your object on the surface it sits will be the cosine of some angle.

-So for the case where your object is on an incline plane, at angle theta, you have a normal force acting perpendicular to the incline plane, and the gravitational force acting in the x direction (straight down). The normal force is given by the following:

FN = FG*cos(theta)

where FG is the gravitational force

Answer 5

Gravity is responsible for the pair of forces that attract two objects toward each

other. When one of the objects is the Earth and the other one is you, you call one

of the forces your "weight", and you totally ignore the other one ... the one that

attracts the Earth toward you. But that's OK, because the two forces are always

equal. You attract the Earth with the same amount of force as the Earth attracts

you, and your weight on the Earth is the same as the Earth's weight on you.

Answer 6

Freefall- the motion of a body when only the force due to gravity is acting on the body.

Source - Physics (company- Holt)

Answer 7

Weight