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

SZ

s zain

Transcript

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

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

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.

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

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

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

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

wheel and axle- a wheel with a stick through it and it rolls

MA= radius(wheel)/radius(axle)

pulley

Definition- a grooved wheel that is wrapped by a rope, chain, and cable.

MA= number of strings that is pulling the load or supporting it.

Lever- a rigid bar pivoted by a fixed point

MA=effort arm/resistence arm

screw-a wedge with an inclined plane wrapping around it.

MA= how far the loops on the screw are seperated.

wedge

inclined plane- a flat surface with one side higher than the other

2 inclined planes back to back

MA= length/height

MA=length/width

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

wedge- 2 inclined planes back to back

MA=length/width

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