A uniform ladder 4.90 m long rests against a frictionless, vertical wall with its lower end...

 

Transcribed Image Text:

A uniform ladder 4.90 m long rests against a frictionless, vertical wall with its lower end 3.10 m from the wall. The ladder weighs 157 N. The coefficient of static friction between the foot of the ladder and the ground is 0.430. A painter weighing 743 N climbs slowly up the ladder. Part A What is the maximum frictional force that the ground can exert on the ladder at its lower end? 387 N Submit Previous Answers Correct Part B What is the actual size of the frictional force when the painter has climbed 0.8862 m along the ladder? ▸ View Available Hint(s) 89 ΜΕ ΑΣΦ ? N What is the actual size of the frictional force when the painter has climbed 0.8862 m along the ladder? ▸ View Available Hint(s) 89 ΜΕ ΑΣΦ ? N Submit Previous Answers X Incorrect; Try Again; 5 attempts remaining Part C How far along the ladder can the painter climb before the ladder starts to slip? ΜΕ ΑΣΦ Submit Request Answer Provide Feedback ? In A uniform ladder 4.90 m long rests against a frictionless, vertical wall with its lower end 3.10 m from the wall. The ladder weighs 157 N. The coefficient of static friction between the foot of the ladder and the ground is 0.430. A painter weighing 743 N climbs slowly up the ladder. Part A What is the maximum frictional force that the ground can exert on the ladder at its lower end? 387 N Submit Previous Answers Correct Part B What is the actual size of the frictional force when the painter has climbed 0.8862 m along the ladder? ▸ View Available Hint(s) 89 ΜΕ ΑΣΦ ? N What is the actual size of the frictional force when the painter has climbed 0.8862 m along the ladder? ▸ View Available Hint(s) 89 ΜΕ ΑΣΦ ? N Submit Previous Answers X Incorrect; Try Again; 5 attempts remaining Part C How far along the ladder can the painter climb before the ladder starts to slip? ΜΕ ΑΣΦ Submit Request Answer Provide Feedback ? In

Answer rating: 100% (QA)

N weight of the ladder weight of painter 157 743 900 N frictional force coefficient of the static ... View the full answer