Discussion on Motion and Force


 

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Posted on: 01:08:32 PM on October 28, 2017
Posted By:
sfd
when is gravitation negative and positive?


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Posted on: 11:42:53 AM on October 29, 2017
IONOSPHERE - Ion -o- Sphere



Posted on: 10:01:33 PM on December 22, 2017
when a body goes against the gravity then the value of acceleration due to gravity (9.8m/s2) becomes negative for example if throw a ball vertically upwards then g will be negative and if you drop a ball from a certain height then the value of g will be positive





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