Answered: A 1.52 m wide by 2.03 m long mattress…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A 1.52 m wide by 2.03 m long mattress weighs 294 N. Find the pressure that the mattres exerts on the bed frame. Assume the entire lower surface of the mattress makes contact with the bed frame.

	441 Pa
	907 Pa
	95.3 Pa
	219 Pa

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Given: Width of mattress $b = 1.52 m$ , Length of mattress $l = 2.03 m$ , Weight of mattress $W = 294 N$ .

Required: Pressure exerted by the mattress on the bed frame.

Pressure exerted by the mattress is given by the force applied per unit area. Here, the force applied is the weight of the mattress.

So, Pressure $P = \frac{F}{A} = \frac{W}{b l}$

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