exercise1.6c_Gravity-Key

exercise1.6c_Gravity-Key - Astronomy 103 Class Exercise...

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M 1 R 2m 3m 2d d A B m C m D M d 2d ( )( ) ( ) 2 2 3 3 4 2 GmM GmM d d  =   ( )( ) ( ) 2 2 2 2 GmM d d = ( )( ) ( ) 2 2 1 Gm M GmM F d d = = ( )( ) ( ) 2 2 1 4 2 GmM d d = M 2 Astronomy 103 Class Exercise: Newton’s Law of Gravity Part 1: Newton’s Universal Law of Gravity describes the attractive force F between point masses M 1 and M 2 separated by distance R. Note that due to Newton’s 3 rd Law, both masses experience this force (in different directions). What would the value of the gravitational force be in terms of F if: a) the mass of M 1 was doubled doubled b) the mass of M 2 was halved halved c) the mass of M 1 was halved and the mass of M 2 was doubled same d) the masses of M 1 and M 2 was doubled quadrupled e) the separation R was doubled quartered f) the mass of M 1 was doubled and the separation R was doubled
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