A 5.00-m long uniform ladder leans against a smooth wall and its base rests on a rough floor.The ladder has a mass of 18.0 kg and its base is a distance of 2.30 m from the wall.A person of mass 80.0 kg climbs 2.50 m up the ladder.If the ladder is to remain in place,what frictional force must be exerted by the floor on the ladder?
A)100 N
B)150 N
C)205 N
D)249 N
E)300 N

Question

A 5.00-m long uniform ladder leans against a smooth wall and its base rests on a rough floor.The ladder has a mass of 18.0 kg and its base is a distance of 2.30 m from the wall.A person of mass 80.0 kg climbs 2.50 m up the ladder.If the ladder is to remain in place,what frictional force must be exerted by the floor on the ladder? 
A)100 N 
B)150 N 
C)205 N 
D)249 N 
E)300 N

Quizplus · Accepted Answer

The Answer of A 5.00-m long uniform ladder leans against a smooth wall and its base rests on a rough floor.The ladder has a mass of 18.0 kg and its base is a distance of 2.30 m from the wall.A person of mass 80.0 kg climbs 2.50 m up the ladder.If the ladder is to remain in place,what frictional force must be exerted by the floor on the ladder? 
A)100 N 
B)150 N 
C)205 N 
D)249 N 
E)300 N

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