Machines
Introduction
Machines
Simple Machine
Lever
Classes of Levers
First Class Lever
Second Class Lever
Third Class Lever
Some Terms with Machines
Worked Examples on Mechanical Advantage
Velocity Ratio
Worked Examples on Velocity Ratio
Work Input
Work Output
Efficiency
Worked Examples on Efficiency
Work
Worked Examples on Work
Energy
Power
Worked Examples on Power
Compound/ Complex Machines
Examples of Complex Machines
Uses of Machines
Caring for Machines
Summary
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Uses of Machines
Uses of Machines
i. For sewing
ii. For digging
iii. For lifting heavy objects
iv. For cutting
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