A 25-kg ladder, 4 m long, rests on a rough floor and against a vertical wall. The ladder makes an angle of 35° withthe horizontal. It starts to slip when a man weighing 75 kg has climbed halfway up. f= 0.20 at the wall.LadderWall3509) ) What is the normal force at the bottom of the ladder in contact with the floor in kg?

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A 25-kg ladder, 4 m long, rests on a rough floor and against a vertical wall. The ladder makes an angle of 35° with the horizontal. It starts to slip when a man weighing 75 kg has dlimbed halfway up. f= 0.20 at the wall. Ladder Wall 350

A 25-kg ladder, 4 m long, rests on a rough floor and against a vertical wall. The ladder makes an angle of 35° with the horizontal. It starts to slip when a man weighing 75 kg has dlimbed halfway up. f= 0.20 at the wall. Ladder Wall 350

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 82A

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

A 25-kg ladder, 4 m long, rests on a rough floor and against a vertical wall. The ladder makes an angle of 35° with
the horizontal. It starts to slip when a man weighing 75 kg has climbed halfway up. f= 0.20 at the wall.
Ladder
Wall
350
9) ) What is the normal force at the bottom of the ladder in contact with the floor in kg?

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