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Contents
Unit 1 Physical quantities and measurements 1
textbooks nis edu kz
Unit 2 Moving fast: speed 11
Speeding up through space–time:
Unit 3 21
acceleration
Unit 4 Density of objects 31
Unit 5 Interaction of objects 41
Unit 6 Elastic forces 51
Unit 7 Friction forces 61
Unit 8 Pressure of solids, liquids and gases 71
Unit 9 Work and power 81
Unit 10 Energy 91
Unit 11 Simple mechanisms 101
Unit 12 Earth and Space 111
Glossary 121
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