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Solved: (a) When opening a door, you push on it

College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs ISBN: 9781938168000 42

Solution for problem 1PE Chapter 9

College Physics | 1st Edition

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College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs

College Physics | 1st Edition

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Problem 1PE

(a) When opening a door, you push on it perpendicularly with a force of 55.0 N at a distance of 0.850m from the hinges. What torque are you exerting relative to the hinges? (b) Does it matter if you push at the same height as the hinges?

Step-by-Step Solution:

Solution 1PE

Torque in rotational motion is the analogue of force in a linear motion. The mathematical expression of torque is given as , where is the distance of the point at which the force is applied and the pivot point about which the object rotates  and is the angle between the force and the position vector of the line joining points of applied force and the pivot point.

Part a

Step 1 of 2

Given data:

The force  N

The distance 0.850 m

The angle

Therefore, the torque

Nm

 Nm

Therefore, the exerted torque is 46.75 Nm.



Part b

Step 2 of 2

Chapter 9, Problem 1PE is Solved
Textbook: College Physics
Edition: 1
Author: Paul Peter Urone, Roger Hinrichs
ISBN: 9781938168000

College Physics was written by and is associated to the ISBN: 9781938168000. This textbook survival guide was created for the textbook: College Physics , edition: 1. Since the solution to 1PE from 9 chapter was answered, more than 611 students have viewed the full step-by-step answer. This full solution covers the following key subjects: hinges, Push, perpendicularly, matter, height. This expansive textbook survival guide covers 34 chapters, and 3125 solutions. The answer to “(a) When opening a door, you push on it perpendicularly with a force of 55.0 N at a distance of 0.850m from the hinges. What torque are you exerting relative to the hinges? (b) Does it matter if you push at the same height as the hinges?” is broken down into a number of easy to follow steps, and 47 words. The full step-by-step solution to problem: 1PE from chapter: 9 was answered by , our top Physics solution expert on 07/07/17, 04:39PM.

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Solved: (a) When opening a door, you push on it