Question

Explain muscular force,gravitational force,frictional force,Elastic force for class-4 ​

Answer 1

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The force applied by the action of muscles in our body is termed as a muscular force. For example, when you pick up a book placed on the table using your hands, you apply muscular force.

It is the force that is exerted by the Earth on every object, which is near or on its surface. For example, an apple falling from a tree branch towards the ground is due to gravitational force

The electrostatic force is the force that exists either between the two charged bodies or between a charged and an uncharged body. For example, the charged scale attracts the pieces of paper by a non-contact force known as electrostatic force.

Answer 2

Answer:

muscular force:

It is a force that results because of the action of muscles and is a contact force since there is contact between the surfaces. ... Muscular force is required whenever the movement of the body occurs. Strolling, lifting, getting up from a seat, crossing a leg, and so on all require muscular force.

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.

frictional force:

Frictional force refers to the force generated by two surfaces that contacts and slide against each other.

Elastic force:

The elastic force occurs as a deformed object (think spring) tries to return to its original shape. The force always acts in a direction that will return it to its original shape. Hooke's Law describes how many objects will produce a greater force in direct proportion to the amount of deformation.

Explanation:

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