Simple Machines — Concept Maps
ICSE · Class 6 · Physics
4 concept maps of Simple Machines for ICSE Class 6 Physics, each also written out as a text outline. Part of the ICSE Class 6 Physics syllabus.
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Simple Machines – Complete Chapter Overview
The map in words
- Simple Machines
- Work and Energy
- Work needs Force and Motion
- Energy is ability to do work
- SI Unit is Joule
- Machine Concepts
- Effort is applied force
- Load is the object moved
- Efficiency
- Ideal Machine 100 percent
- Actual Machine less than 100 percent
- Mechanical Advantage
- MA equals Load divided by Effort
- Greater than 1 Force Multiplier
- Equal to 1
- Less than 1
- Six Simple Machines
- Lever
- Fulcrum Load Effort
- Three Classes
- Pulley
- Changes direction of effort
- MA equals 1 ideal
- Wheel and Axle
- Bigger wheel takes effort
- Smaller axle holds load
- Inclined Plane
- Sloping surface
- MA always greater than 1
- Wedge
- Two inclined planes joined
- Sharp edge
- Screw
- Inclined plane wound on rod
- Has threads
- Lever
- Classes of Levers
- Class I Fulcrum in middle
- See-saw Scissors Crow bar
- MA can be any value
- Class II Load in middle
- Wheelbarrow Nut cracker
- MA always greater than 1
- Class III Effort in middle
- Tongs Forearm Forceps
- MA always less than 1
- Class I Fulcrum in middle
- Work and Energy
Mind map showing what machines are, their functions, and categories of simple machines
The map in words
- Machines
- What They Do
- Reduce force needed
- Change force direction
- Increase distance
- Change point of effort
- Examples
- Lever
- Pulley
- Wheel and axle
- Inclined plane
- Wedge
- Screw
- Benefits
- Make work easier
- Save energy
- Help us do better work
- What They Do
Flowchart showing how to calculate mechanical advantage and interpret different values
The map in words
- Mechanical Advantage
- Formula: MA = Load / Effort
- Check Value
- MA greater than 1: Force Multiplier
- Less effort needed
- Useful for lifting
- Less effort needed
- MA equals 1: Direction Changer
- Equal effort to load
- Useful for convenience
- Equal effort to load
- MA less than 1: Distance Multiplier
- More effort needed
- Useful for precision
- More effort needed
- MA greater than 1: Force Multiplier
- Check Value
- Formula: MA = Load / Effort
Simple Machines
The map in words
- Simple Machines
- Work and Energy
- What is a Machine
- Mechanical Advantage
- Types of Simple Machines
- Lever
- Pulley
- Wheel and Axle
- Inclined Plane
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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Practice Quiz
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Important Questions
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Revision Notes
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Formula Sheet
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Chapter Summary
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Study Plan
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Syllabus
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