Vocabulary 1st Class Levers Second Class Levers Third Class Levers
100
Lever
is a simple machine that has a bar that pivots at a fixed point called a fulcrum.
100
true
True or false A first class lever has the fulcrum in the middle or between.
100
True
True or false Second class levers is between the fulcrum and the input force.
100
False
True or False Third class levers DO change the direction of input force.
200
input force
Any type of force which has been exerted onto anything.
200
false
True or false Depending on the weight of the fulcrum first class levers can be used to increase force or distance.
200
False
True or false Second class levers DO change the direction of input force.
200
True
True or False The output force is always less than the input force.
300
Fulcrum
Any prop or support
300
scissors,
Name 1 example of a first class lever
300
True
True or false Second class levers allow you to apply less force than the force exerted by the load.
300
True
True or False The input force in a third class lever is between the fulcrum and the load.
400
Output force
Scientific name for the weight you want an object to move
400
I will tell you
Name 2 examples of first class levers
400
nutcracker
Name a example of Second class levers
400
baseball bat
Name a example of third class levers
500
3
How many types of levers are there?
500
I will tell you
Name 3 example of first class levers
500
I will Tell you
Name 3 examples of second class levers
500
Baseball bat fishing pole
Name two examples of Third class levers






Lever

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