Asked by: Omara Anglade
science physics

Which force is always a force of attraction?

Last Updated: 3rd March, 2020

gravitational force

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Then, is the force of gravitation always the force of attraction or repulsion?

Gravity is not always attractive: Gravity is thought of as a weak boring force. But if you get fast spinning black holes and strong gravitational waves interacting, then you can get 'repulsion and attraction' effects happening out of purely gravitational forces.

Subsequently, question is, what are the 2 types of force of attraction? These forces can be classified into 2 types: Intramolecular forces: Intramolecular force of attraction are the forces of attraction which keep a molecule together. Intermolecular forces: Intermolecular forces are forces of attraction or repulsion which act between neighboring particles (atoms, molecules or ions).

Keeping this in consideration, where is the force of attraction greatest?

The strongest force of attraction is the Strong nuclear force which is present in the nucleus of an atom. This is because the force has the tendency to bind the positively charged protons together in spite of the strong repulsive force between like charges in such a small range viz. 10^-15 (size of nucleus).

Why gravitational force is always attractive?

According to Newton's law of gravitation, any two bodies, in this universe, attract each other with the force of gravity. So, the gravitational force between two masses is always attractive.

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How do you find the force of attraction between two objects?

Universal Gravitation Equation
  1. F is the force of attraction between two objects in newtons (N)
  2. G is the Universal Gravitational Constant = 6.674*1011 N-m2/kg2
  3. M and m are the masses of the two objects in kilograms (kg)
  4. R is the separation in meters (m) between the objects, as measured from their centers of mass.

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What force repels gravity?

Anti-gravity (also known as non-gravitational field) is creating a place or object that is free from the force of gravity. It does not refer to the lack of weight under gravity experienced in free fall or orbit, or to balancing the force of gravity with some other force, such as electromagnetism or aerodynamic lift.

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Why does gravity only pull?

The answer is gravity: an invisible force that pulls objects toward each other. Earth's gravity is what keeps you on the ground and what makes things fall. Earth's gravity comes from all its mass. All its mass makes a combined gravitational pull on all the mass in your body.

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Is the force of gravity always negative?

The acceleration due to gravity is ALWAYS negative. Any object affected only by gravity (a projectile or an object in free fall) has an acceleration of -9.81 m/s2, regardless of the direction. The acceleration is negative when going down because it is moving in the negative direction, down.

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What are the types of forces?

Force is the external agent that produces motion or tends to produce motion or it stops motion or tends to stop motion. Basically, there are two types of forces, contact forces, and non-contact forces. Gravitational force, electric force, magnetic force, nuclear force, frictional force are some examples of force.

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Can gravity be repulsive?

The fact that objects move a lot in the universe and that the universe is expanding, can imply that gravity is a repulsive force that increases with distance.. so the farthest objects repel us more. The mutual repulsion of the particles may cause similar motion as if due to gravitational attraction.

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Does gravitational force increase with distance?

The force of gravity depends directly upon the masses of the two objects, and inversely on the square of the distance between them. This means that the force of gravity increases with mass, but decreases with increasing distance between objects.

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What does force of gravity mean?

n (physics) the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface. Synonyms: gravitation, gravitational attraction, gravity Types: solar gravity. the gravity of the sun. Type of: attraction, attractive force.

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What is the force of attraction?

Force of attraction is a force that pulls the body near due to its attraction. Some of them magnetic force, electric force, electrostatic force and gravitational force. Gravitational force is very well identified instance force of attraction as it draws objects towards itself regardless of its distance.

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Is attractive force positive or negative?

The Coulomb force between two or more charged bodies is the force between them due to Coulomb's law. If the particles are both positively or negatively charged, the force is repulsive; if they are of opposite charge, it is attractive. This called Coulomb's law and was the first attempt to understand the electric force.

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What is repulsion force?

Repulsion. Repulsion is “a force between two similar or like charges”. The two charges of similar nature pull away from each other. Example: The force between two electrons (negative charge).

Koichi Usubiaga


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What is the force of attraction between two atoms?

A chemical bond is a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds. The bond may result from the electrostatic force of attraction between oppositely charged ions as in ionic bonds or through the sharing of electrons as in covalent bonds.

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Which planet has the greatest attraction to the sun?

So Mercury feels the strongest gravitational attraction to the Sun.

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At which point does the planet have the highest acceleration?

In an elliptical orbit, when a planet is at its furthest point from the Sun, it is under the least amount of gravity, meaning that the force of gravity is strongest when it is closest. This also applies to the acceleration, meaning that a planet is accelerating the most when it is closest to the sun.

Jingwen Hohgraebe


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What has to happen for two objects to be attracted?

Gravity is the force of attraction between two objects, for example between the earth and the moon or between the earth and an apple. This is because gravity depends not only on the mass of an object but also its distance. The greater the distance between two objects, the weaker their mutual attraction will be.

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What are the 7 forces?

Or to read about an individual force, click on its name from the list below.
  • Applied Force.
  • Gravitational Force.
  • Normal Force.
  • Frictional Force.
  • Air Resistance Force.
  • Tension Force.
  • Spring Force.

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Is inertia a force?

Inertia is a force which keeps stationary objects at rest and moving objects in motion at constant velocity. Inertia is a force which brings all objects to a rest position. A more massive object has more inertia than a less massive object.