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simple machines and how we use it in our daily lives.

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by

s zain

on 16 October 2012

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Transcript of simple machines and how we use it in our daily lives.

simple machines and how we use it in our daily lives. MA= number of strings that is pulling the load or supporting it. pulley Definition- a grooved wheel that is wrapped by a rope, chain, and cable. 5 pulleys you use for your house.
1. blinds
2. clothes line
3. the string that holds the picture
4.a bag
5.a wire wedge 2 inclined planes back to back wedge- 2 inclined planes back to back

MA=length/width 5 pulleys we use at school
1. flag pole
2. blind
3. elevator
4. a belt
5. for a project 5 pulley we use for recreation
1. to lift a load
2. that ride where it flings you back and forth
3.marine pulley
4.
5. MA=length/width 5 wedges we use at home
1. zipper
2. knife
3. needle
4. plugs
5.pin 5 wedges we use at school
1. pencil
2. fork
3. sharpener
4. paper
5. pen 5 wedges we use for recreation
1. your body when you fall
2. plane
3. car
4. boat
5. train inclined plane- a flat surface with one side higher than the other MA= length/height 5 inclined planes we use at home
1. remote
2. stair railing
3.a chair arm rest
4. recliner
5. reclining bed 5 pulleys we use at school
1. a ramp
2. chair
3. the top of the lockers
4. the roof
5. 2 ring binders 5 inclined planes we use for recreation
1. slide
2. road
3. a pool
4. ski slopes
5. escalator screw-a wedge with an inclined plane wrapping around it.

MA= how far the loops on the screw are seperated. 5 screws we use at home
1. screw
2. door knob
3. bottom of a lightbulb
4. a jar lid
5. a corkscrew 5 screws we use at school
1. wall sharpener
2.machine screws
3. a bolt
4.chair screw
5.hinges 5 screw we use for recreation
1. drill
2. a rollercoaster
3. slide
4.meat grinder
5. door lock wheel and axle- a wheel with a stick through it and it rolls

MA= radius(wheel)/radius(axle) 5 wheel and axle we use at home
1. clock
2. a knob
3. an earing
4. toys
5. watch 5 wheel and axle we use at school
1. bus
2. moving chair
3. pencil
4. pen
5. whiteboard pen 5 wheel and axle we use for recreation
1. ferris wheel
2. car wheel
3. rolling pin
4.rotary dial phone
5.egg beater Lever- a rigid bar pivoted by a fixed point

MA=effort arm/resistence arm 5 levers we use at home
1. toilet flusher
2. door knob
3. foldable chair
4.rocking chair
5. a door 5 levers we use at school
1. scissors
2.stapler
3. pull up door
4.light switch
5. frame holder 5 levers we use for recreation
1.crowbar
2.hoe
3.a ride
4. lock
5.a box that you open while it is stuck on it
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