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When I see worked solutions tor gravity using the universal gravity constant, they seem to ignore the N-m 2 /kg 2 What is going on? Thanks, Foster Brown

When I see worked solutions tor gravity using the universal gravity constant, they seem to ignore the N-m2/kg


What is going on?  


         Thanks,  Foster Brown

Grade:

2 Answers

Menka Malguri
39 Points
9 years ago

In the solution,the units of other quantities cancel the unit of the Universal Gravitation Constant and thus N-m2/kg2 does not seem to be used in the solution.

Hope this works!!!!

B.V.Suhas Sudheendhra
43 Points
9 years ago

The units of gravitational force is N(newton) so to determine it in the solution the value of universal gravity constant is used but not its unit as:

all the units in Nm2/kg2 except N cancels out giving u the force

it will be irritative to use these units each time as one must be concentrated in problem solving rather than just working these units

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