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