![Page 1: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/1.jpg)
6.3 – Simple 6.3 – Simple MachinesMachines
Guided notesGuided notes
![Page 2: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/2.jpg)
ObjectivesObjectives
Describe and identify examples of the six types of simple machines.
Explain how the different types of simple machines make work easier.
![Page 3: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/3.jpg)
Simple MachinesSimple Machines
A machine that does work with only A machine that does work with only one movementone movement
Two FamiliesTwo Families Levers – levers, pulleys, & wheel and Levers – levers, pulleys, & wheel and
axleaxle Inclined Planes – inclined plane, screw, Inclined Planes – inclined plane, screw,
& wedge& wedge
![Page 4: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/4.jpg)
LeverLever
Bar that is free to pivot about a fixed Bar that is free to pivot about a fixed pointpoint Fixed point = fulcrumFixed point = fulcrum
Input arm is part on which input Input arm is part on which input force is appliedforce is applied
Output arm is part that exerts the Output arm is part that exerts the output forceoutput force
![Page 5: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/5.jpg)
Classes of LeversClasses of Levers
First Class LeverFirst Class Lever
Second Class Second Class LeverLever
Third Class Third Class LeverLever
![Page 6: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/6.jpg)
First-class LeversFirst-class Levers Fulcrum is located between input Fulcrum is located between input
and output forcesand output forces Multiplies and changes direction of Multiplies and changes direction of
forceforce
http://www.sciencebyjones.com/Firce_class_lever_drawing.gifhttp://www.cool-science-projects.com/images/man-and-lever.jpg
![Page 7: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/7.jpg)
Second-class LeversSecond-class Levers Output force is located between Output force is located between
input force and fulcruminput force and fulcrum Always multiplies forceAlways multiplies force
http://cache.eb.com/eb/image?id=63039&rendTypeId=4
![Page 8: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/8.jpg)
Third-class LeversThird-class Levers Input force is between output force Input force is between output force
and fulcrumand fulcrum Doesn’t multiply force but does increase Doesn’t multiply force but does increase
distance over which force is applieddistance over which force is applied
![Page 9: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/9.jpg)
33rdrd class lever class lever
FulcrumOutput force- the staple goes through the papers
Input force- your hand squeezes the stapler
![Page 10: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/10.jpg)
Lever & Ideal MALever & Ideal MA
Calculating ideal mechanical Calculating ideal mechanical advantage (IMA) of a lever:advantage (IMA) of a lever: IMA = length of input arm divided by IMA = length of input arm divided by
length of output armlength of output arm
![Page 11: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/11.jpg)
PulleyPulley
A grooved wheel with a rope, simple A grooved wheel with a rope, simple chain, or cable running along a groovechain, or cable running along a groove Modified first-class leverModified first-class lever The point in the middleThe point in the middle
of the wheel is the fulcrumof the wheel is the fulcrum The rest of a wheel The rest of a wheel
acts like the rigid arm.acts like the rigid arm.
http://www.technologystudent.com/gears1/pulley7.htm
![Page 12: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/12.jpg)
Types of PulleysTypes of Pulleys
Fixed = attached Fixed = attached to something and to something and doesn’t movedoesn’t move
Force is not Force is not multiplied but multiplied but direction is direction is changedchanged
IMA = 1IMA = 1
![Page 13: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/13.jpg)
Types of PulleysTypes of Pulleys
Movable = has one end of the rope Movable = has one end of the rope fixed and the wheel free to movefixed and the wheel free to move
Multiples forceMultiples force IMA = 2IMA = 2
![Page 14: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/14.jpg)
Types of PulleysTypes of Pulleys
Block & Tackle = Block & Tackle = system of pulleys system of pulleys consisting of fixed and consisting of fixed and movable pulleysmovable pulleys
IMA = number of ropes IMA = number of ropes supporting the weightsupporting the weight
![Page 15: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/15.jpg)
Block and TackleBlock and Tackle
Pulley website
![Page 16: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/16.jpg)
Wheel & AxleWheel & Axle
Machine with Machine with two wheels of two wheels of different sizes different sizes rotating rotating togethertogether
Modified leverModified lever
![Page 17: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/17.jpg)
Wheel & AxleWheel & Axle
IMA = radius of IMA = radius of wheel divided by wheel divided by radius of axleradius of axle
Gears are modified Gears are modified formsforms
![Page 18: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/18.jpg)
Inclined PlaneInclined Plane
Sloping surface that reduces the Sloping surface that reduces the amount of force required to do workamount of force required to do work
![Page 19: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/19.jpg)
Inclined PlaneInclined Plane
IMA = length of slope (input IMA = length of slope (input distance) divided by height of slope distance) divided by height of slope (output distance)(output distance)
Less force is required if ramp is Less force is required if ramp is longer and less steeplonger and less steep
![Page 20: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/20.jpg)
ScrewScrew
Inclined plane wrapped in a spiral Inclined plane wrapped in a spiral around a cylindrical postaround a cylindrical post
![Page 21: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/21.jpg)
WedgeWedge
Inclined plane with one or two Inclined plane with one or two sloping sidessloping sides
http://kmoddl.library.cornell.edu/stillImages/Clark/small/003.jpg
![Page 22: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/22.jpg)
Compound MachineCompound Machine
Uses a combination of two or more Uses a combination of two or more simple machinessimple machines
![Page 23: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/23.jpg)
Cool LinksCool Links
Simple Machines
![Page 24: 6.3 – Simple Machines Guided notes. Objectives Describe and identify examples of the six types of simple machines. Explain how the different types of](https://reader036.vdocuments.site/reader036/viewer/2022062322/56649e9f5503460f94ba245c/html5/thumbnails/24.jpg)
In-Class In-Class Assignment/HomeworkAssignment/Homework
6.3 Reinforcement WKT6.3 Reinforcement WKT