Question

Defin the differen Type of forces​

Answer 1

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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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Answer 2

Answer:

Types of forces with examples

Basically, forces are of two types:

Contact forces

Non-contact forces

Contact forces

Those forces which represent the result of physical contact between two objects, where one of the objects exerts force on the other.

5 examples of contact forces

Stretching of the spring of a balance

the pushing of a pram

kicking of a football

Pushing the door

Hitting the ball etc are some examples of contact forces.

Types of contact forces

some types of contact forces are given in the list below:

Applied force

Normal force

Frictional force

Tension force

Air resistance force

Spring force.

Applied force

Force due to the action of muscles is called applied force. It is also called muscular force.

Normal force

It is a contact interaction force between surfaces. It always acts perpendicular to the surfaces and out of the surface. It comes from the microscopic deformation of molecules modeling a system of springs.

Frictional force:

Frictional force comes from interactions with a surface as an object moves or tries to move relative to the surface.

Tension force:

An applied force where the force is applied through a string, cable, rope, etc..

tension force

Note that a tension force can only pull, it cannot push. We usually assume the tension in a cable is the same everywhere in the cable.

Air resistance force

The force that acts in a direction opposite motion through a gas is called air resistance force. It comes from cumulative interaction with air molecules. It increases as the velocity through the gas increases. It also increases as the area normal to the direction of motion increases.

Spring force:

Spring force comes from the displacement of molecules. It is always opposite the displacement of spring.

Noncontact forces

Those forces which do not involve physical contact between the two objects but act through the space between the two.

Non-contact forces examples

Examples of non-contact or action at a distance forces, which are given in the list given below:

Gravitational force

Electromagnetic force

Weak nuclear force

Strong nuclear force

The gravitational force of attraction:

The attractive force exerting between two objects is called gravitational force. It originates with the presence of matter.

Electromagnetic force:

The electromagnetic force which includes basic electric and magnetic interactions and is responsible for the binding of atoms and the structure of solids.

Weak nuclear force:

The weak nuclear force which causes certain radioactive decay processes and certain reactions among the most fundamental particles.

Strong nuclear force:

The strong force which operates among the fundamental particles and is responsible for binding the nucleus together.

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