25th Tuesday July 2017
WALT: Define simple machines and learn the different types.
Definition- A ‘Simple Machine’ is basically a mechanical structure which helps apply force or help with everyday things.
Name
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Examples
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Description
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Wedge
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Wedge is an item which you cut things with. It is like an axe.
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Pulley
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A pulley is naturally something which transport things from one place to another. It is when either a string or rope is attached to maybe a bucket and someone will then pull it.s
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Wheel and Axle
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A Wheel and Axle is mostly powered by a rope or chain and normally spins round and round to change the direction of something,. Doorknob is an example.
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Screw
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It tightens things are well as keeping items together. Like a drill it spin a screw quickly so it can pierce something.
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Inclined Plane
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One side is higher than the other side which allows things to go from a low point to a high point, It takes the same amount of work as other things but uses less force.
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