Answer
(a) $F_{gravitation}$ = mg
therefore, g=$F_{gravitation}$/m = (144.4 lbf/150 lb)$\times$(32.174 lb.ft/($s^{2}$$\times$ 1 lbf ) )= 30.97 ft/$s^{2}$.
(b) Mass value remains the same. So
$F_{gravitation}$ = (150 lb)( 32.174 ft/$s^{2}$)( 1 lbf/ 32.174 lb.ft/$s^{2}$ ) = 150 lbf.
Work Step by Step
(a) $F_{gravitation}$ = mg
therefore, g=$F_{gravitation}$/m = (144.4 lbf/150 lb)$\times$(32.174 lb.ft/($s^{2}$$\times$ 1 lbf ) )= 30.97 ft/$s^{2}$.
(b) Mass value remains the same. So
$F_{gravitation}$ = (150 lb)( 32.174 ft/$s^{2}$)( 1 lbf/ 32.174 lb.ft/$s^{2}$ ) = 150 lbf.
