Question

Define the following- contact force,non-contact force, gravitational force , electrostatic force ,pressure​

Answer 1

Contact force occurs due to the contact between two different objects. Non-contact force occurs due to either attraction or repulsion between two objects such that there is no contact between these objects. There is no field linked with the contact force.

The gravitational force is a force that attracts any two objects with mass. ... In fact, every object, including you, is pulling on every other object in the entire universe! This is called Newton's Universal Law of Gravitation

Coulomb force, also called electrostatic force or Coulomb interaction, attraction or repulsion of particles or objects because of their electric charge

Pressure is defined as the physical force exerted on an object. The force applied is perpendicular to the surface of objects per unit area

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Answer 2

Answer:

A contact force is any force that requires contact to occur. Contact forces are ubiquitous and are responsible for most visible interactions between macroscopic collections of matter. Pushing a car up a hill or kicking a ball across a room are some of the everyday examples where contact forces are at work.

Non contact force

A non-contact force is a force which acts on an object without coming physically in contact with it. The m a non-contact force is gravity, which confers weight. In contrast a contact force is a force applied to a body by another body that is in contact with it

gravitational force

The gravitational force is a force that attracts any two objects with mass. ... In fact, every object, including you, is pulling on every other object in the entire universe! This is called Newton's Universal Law of Gravitation.

electrostatic force

The electrostatic force is also known as the Coulomb force or Coulomb interaction. It's the attractive or repulsive force between two electrically charged objects. Like charges repel each other while unlike charges attract each other. Coulomb's law is used to calculate the strength of the force between two charges.

Pressure

Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. ... Pressure may also be expressed in terms of standard atmospheric pressure; the atmosphere (atm) is equal to this pressure, and the torr is defined as ​1⁄760 of this.

SI unit: Pascal

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