claudia y angela

What is a conducor material?

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• 
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what is this called?

• Gearing

• Mechanism

• wheel

• It doesn't have name

What class of lever is a wheelbarrow?

(a)  

How is the velocity ratio of a lever calculated?

• all of the abobe

• ratio plus two divided by the effort in between

• Distance moved by effort divided by distance moved by load

• Load divided by effort

  
  

a circut must be (a)   to work

A number of gears connected together are called a what?

(a)  

Windscreen wipers are an example of a treadle linkage: true or false?

• true

• false

what is a sketch?

• a rough or unfinished drawing or painting, often made to assist in making a more finished picture

• a box-shaped storage compartment without a lid, made to slide horizontally in and out of a desk, chest, or other piece of furniture

• produce (a picture or diagram) by making lines and marks on paper with a pencil, pen, etc

• an invented thing

type of energy that comes out from the sun

(a)  

what is energy