Question

What is force and its functions??

Answer 1

Your answer
~ A pull or push is force.
~ A pull or push happens by exerting a force hence a pull or push is called a force..

Answer 2

SUBJECT . SCIENCE


TOPIC


FORCE


DEFINITIONS .


Force is a type of interaction between two object , it is can be push an pull anything.



TYPE OF FORCE ( FOR KNOWLEDGE)



(1)
CONTACT FORCE.


(a)Friction


(b)Spring


(c)Normal Reaction: 

(d)Air Resistance


(2)Non-Contact Forces (Field Forces or Action at Distance Forces)



(a)Gravitational Forces: 

(b)Magnetic Forces:

(c)Electrical Forces


Unit of Measurement

It is measured in ‘Newton’ (N)



The basic formula for it is, F = m.a, where, ‘m’ stands for the mass in kilograms and ‘a’ stands for acceleration in m/sec2.




FUNCTION OF FORCE


(1) planets are revolves around sun fixed orbit is due to gravitational force between them


(2)

We are able to write due to force ( friction force)


(3) produce of charge also due to force

( electric force)

(4) Most important things a body is only move due to force.


(5)
A moving object will only change speed or direction if there is an unbalanced force acting upon it.