g
,
, PROBLEMg4.1
Aggardenergusesgag60-Ngwheelbarrowgtogtransportgag250-
Ngbaggofgfertilizer.gWhatgforcegmustgshegexertgongeachghandl
e?
SOLUTION
Free-BodygDiagram:
MgAg =g0:g g (2Fg)(1gm)g−g(60g N)(0.15gm)g−g(250g N)(0.3gm)g =g0
Fg=g42.0gNg ◀
Copyrightg©gMcGraw-
HillgEducation.gPermissiongrequiredgforgreproductiongorgdisplay.
, PROBLEMg4.2
TheggardenergofgProblemg4.1gwishesgtogtransportgagsecondg 2
50-
Ngbaggofgfertilizergatgthegsamegtimegasgthegfirstgone.gDetermi
negthegmaximumgallowableghorizontalgdistancegfromgthegaxle
gAgofgthegwheelbarrowgtogthegcentergofggravitygofgthegsecond
gbaggifgshegcangholdgonlyg75gNgwithgeachgarm.
PROBLEMg4.1gAggardenergusesgag60-
Ngwheelbarrowgtogtransportgag250-
Ngbaggofgfertilizer.gWhatgforcegmustgshegexertgongeachghandle
?
SOLUTION
Free-BodygDiagram:
xg=g0.264gmg ◀
Copyrightg©gMcGraw-
HillgEducation.gPermissiongrequiredgforgreproductiongorgdisplay.