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CBSE Class 11-science Answered

sir here in the question weight of the body is given in kg then why is the value of 'W' is calculated by taking that 20kg as 20g. please sir solve my query as soon as possible. Asked by jaychandran1967 | 18 Dec, 2017, 07:24: PM
answered-by-expert Expert Answer
here g = acceleration due to gravity
 
weight of the object is gravitational force acting on the object.
 
weight = mass × acceleration due to gravity
 
so 20 is multiplied by g (acceleration due to gravity which is 9.8 m/s2), hence w = 20×9.8 = 196 N
 
N is force unit,  newton
Answered by | 18 Dec, 2017, 08:06: PM
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