Formerly, Department of Mechanical Engineering and Aeronautics, The City University, LondonT. Nettleton MSc, MlMechE Department o Mechanical Engineeringand Aeronautics, f The City University, London, A member of the Hodder Headline Group LONDON MELBOURNE AUCKLAND, Edward H. R. Harrison and T. Nettleton First published in Great Britain 1978 Second edition 1994, British Library Cataloguing in Publication Data, Harrison, Harry Ronald Principles of Engineering Mechanics. I. Title 11. Nettleton, T. ISBN 0-340-56831-3 All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronically or mechanically, including photocopying, recording or any information.
