p05_011.pdf

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Chapter 5 - 5.11
11. We apply Eq. 5-12.
(a) The mass is m = W/g =(22N) / (9 . 8m / s 2 )=2 . 2 kg. At a place where g =4 . 9m / s 2 , the mass is
still 2 . 2 kg but the gravitational force is F g = mg =(2 . 2 kg)(4 . 9m / s 2 )=11N.
(b) As noted, m =2 . 2kg.
(c) At a place where g = 0 the gravitational force is zero.
(d) The mass is still 2 . 2kg.

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