Download test bank for mechanics of materials 8th edition by russell c hibbeler

If the air pressure within it is increased until the ball’s diameter becomes 7 in., determine the average normal strain in the rubber.. If it is stretched around a pipe having an outer

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2–1 An air-filled rubber ball has a diameter of 6 in If the air

pressure within it is increased until the ball’s diameter becomes

7 in., determine the average normal strain in the rubber

e = pd - pd0= = 0.167 in./in Ans pd0 6

2–2 A thin strip of rubber has an unstretched length of 15 in If it

is stretched around a pipe having an outer diameter of 5 in., determine the

average normal strain in the strip

2–3 The rigid beam is supported by a pin at A and wires BD and CE If the load P on the

beam causes the end C to be

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2 – 6 Nylon strips are fused to glass plates When moderately heated the nylon will become soft while the glass stays

approximately rigid Determine the average shear strain in the

in

18

6 in

18 in

Geometry: Referring to Fig2.a, the stretched length of the string is

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© 2010 Pearson Education, Inc., Upper Saddle River, NJ All rights reserved This material is protected under all copyright laws as they currently exist No portion of this material may be reproduced, in any form or by any means, without permission in writing from the publisher

© 2010 Pearson Education, Inc., Upper Saddle River, NJ All rights reserved This material is protected under all copyright laws as they currently exist No portion of this material may be reproduced, in any form or by any means, without permission in writing from the publisher

02 Solutions 460605/6/101:45 PMPage 10

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portion of this material may be reproduced, in any form or by any means, without permission in writing from the publisher

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© 2010 Pearson Education, Inc., Upper Saddle River, NJ All rights reserved This material is protected under all copyright laws as they currently exist No portion of this material may be reproduced, in any form or by any means, without permission in writing from the publisher

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