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TABLE OF CONTENTS

CHAPTER 1 .................................................................................................................................................. 1
CONCEPTS OF ENGINEERING MECHANICS ................................................................................................. 1

1.1 INTRODUCTION ................................................................................................................. 1
1.2.1 STATIC ................................................................................................................... 2

1.2.2 DYNAMICS............................................................................................................. 2
1.2.3 SPACE .................................................................................................................... 3
1.2.4 PARTICLES ............................................................................................................. 3

1.2.5 RIGID BODY ........................................................................................................... 3
1.3 QUANTITIES AND UNIT ..................................................................................................... 4

1.3.1 MASS ..................................................................................................................... 4
1.3.2 FORCES .................................................................................................................. 5
1.3.3 LENGTH ................................................................................................................. 5

1.3.4 TIME ...................................................................................................................... 5
1.4 NEWTON’S LAW OF MOTION ........................................................................................... 5

1.4.1 FIRST LAW ............................................................................................................. 6
1.4.2 SECOND LAW ........................................................................................................ 6

1.4.3 THIRD LAW ............................................................................................................ 6
CHAPTER 2 .................................................................................................................................................. 8

FORCE VECTOR ............................................................................................................................................ 8
2.1 SCALAR AND VECTOR ........................................................................................................ 8
2.1.1 DIFFERENTIATE BETWEEN SCALARS AND VECTOR ............................................... 8

2.1.2 TYPE OF VECTORS ............................................................................................... 10
2.2 VECTOR OPERATIONS ..................................................................................................... 10

2.2.1 ADDITION OF VECTORS ....................................................................................... 11
2.2.2 SUBSTRACTION OF VECTORS .............................................................................. 11

2.2.3 RESOLUTION OF VECTORS .................................................................................. 12
2.3 RECTANGULAR COMPONENT ......................................................................................... 14

2.4 TWO FORCES ACTING ON A PARTICLE ............................................................................ 18
2.5 THE RESULTANT FORCE OF COPLANAR FORCES BY ADDITION ....................................... 21
2.5.1 SCALAR NOTATION ............................................................................................. 22

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