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A worker wants to turn over a uniform, 1250-N, rectangular

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 69P Chapter 11

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 69P

A worker wants to turn over a uniform, 1250-N, rectangular crate by pulling at 53.0° on one of its vertical sides (?Fig. P11.65?). The floor is rough enough to pre-vent the crate from slipping. (a) What pull is needed to just start the crate to tip? (b) How hard does the floor push upward on the crate? (c) Find the friction force on the crate. (d) What is the minimum coefficient of static friction needed to prevent the crate from slipping on the floor?

Step-by-Step Solution:
Step 1 of 3

Solution 69P We first need to calculate the pulling force on the crate. Then we can proceed to find the normal force exerted by the floor, the friction force and the coefficient of kinetic friction. Let us have a look at the following figure to understand the situation better. Let F be the pulling force. Now, the moment of the y-component of the pulling force has to be equal to the moment of the crate’s weight in order to tip the crate. 0 2.20 (a) Therefore, Fsin 53.0 × 1.50 = 1250 N × 2 m 0 Fsin 53 = 1375 N.m 1375 F = 1.50×sin 53.0 F 1150 N Therefore, the required pull is 1150...

Step 2 of 3

Chapter 11, Problem 69P is Solved
Step 3 of 3

Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

This textbook survival guide was created for the textbook: University Physics, edition: 13. The full step-by-step solution to problem: 69P from chapter: 11 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. University Physics was written by and is associated to the ISBN: 9780321675460. This full solution covers the following key subjects: crate, floor, slipping, Friction, needed. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. The answer to “A worker wants to turn over a uniform, 1250-N, rectangular crate by pulling at 53.0° on one of its vertical sides (?Fig. P11.65?). The floor is rough enough to pre-vent the crate from slipping. (a) What pull is needed to just start the crate to tip? (b) How hard does the floor push upward on the crate? (c) Find the friction force on the crate. (d) What is the minimum coefficient of static friction needed to prevent the crate from slipping on the floor?” is broken down into a number of easy to follow steps, and 84 words. Since the solution to 69P from 11 chapter was answered, more than 275 students have viewed the full step-by-step answer.

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