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Q. 44

Expert-verified
Found in: Page 512

### Physics for Scientists and Engineers: A Strategic Approach with Modern Physics

Book edition 4th
Author(s) Randall D. Knight
Pages 1240 pages
ISBN 9780133942651

# A 15C, 2.0-cm-diameter aluminum bar just barely slips between two rigid steel walls 10.0 cm apart. If the bar is warmed to 25C, how much force does it exert on each wall?

See the step by step solution

## Step 1: Description

A 15C, 2.0-cm-diameter aluminum bar just barely slips between two rigid steel walls 10.0 cm apart.

The young module depicts

## Step 2: Finding the result

The description provided that

From the expression for linear thermal expansion is:

Therefore, the final expansion will be:

The table of 18.4 depicts that the coefficient of linear thermal expansion of Aluminium is almost .

The table of 14.3 depicts that Aluminium's young modules is .

Thus,

Therefore, If the bar is warmed to 25C, the force of , it exert on each wall.

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