Answered: When rebuilding his car's engine, a…

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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When rebuilding his car's engine, a physics major must continuously exert 4.02 ✕ 10² N of force to insert a dry steel piston as it slides into a steel cylinder. What is the normal force (in N) between the piston and cylinder? (Enter the magnitude.)

(a) When rebuilding his car's engine, a physics major must continuously exert 4.02 × 102 N of force to insert a dry steel piston as it slides into a steel cylinder. What is the normal force (in N) between the piston
and cylinder? (Enter the magnitude.)
0.3
X N
(b) What force (in N) would he have to continuously exert if the steel parts were oiled? (Enter the magnitude.)
40.2
N

Expert Solution

Step 1

Given Data:

The force applied is, $F = 4.02 \times 10^{2} N$

The expression for the normal reaction force is,

$\begin{array}{rcl} F & = & μ N \\ N & = & \frac{F}{μ} . . . . . . . . . . . . (1) \end{array}$

Here, F is the applied force and $μ$ is the coefficient of static friction for dry steel $(μ = 0.6)$ .

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