THE BASICS
When using levers, the ______ is the push or pull needed to lift or move a load.
What is Force or Effort
What is a tool used to make work easier?
What is a Lever
What class of lever is a wheel barrow?
What is a second class lever.
Where is the fulcrum on a pair of scissors?
What is where the two levers cross or the screw.
What is the lever class of a crowbar?
What is First Class (Class - 1)
What is a bar used for raising or moving weights, centered on a fulcrum, or a turning point?
What is a lever
The ________ is the mass lifted by the lever.
What is a Load
What is the Class of lever when the LOAD is located between the FULCRUM and the EFFORT?
What is Second Class (Class - 2)
What kind of lever can be used to open a paint can lid?
What is a paint can opener or screwdriver.
A hammer falls into TWO possible classes of levers. What are they?
What is First Class (Class - 1), and Third Class (Class - 3)
Why do we use levers?
What is to make moving objects easier
A _____ _______ is the stick or beam free to pivot at a point.
What is a Lever "Arm"
What class of lever is a pair of tweezers?
What is a third class lever
What is the lever class of a fishing rod?
What is Third Class (Class - 3)
What do you call devices used to make work easier such as a lever, pulley, or wedge?
What are Simple Machines
The ______ is the force that moves the load.
What is Effort
What Class of lever is a broom?
What is a Third Class (Class-3) – The EFFORT is between the FULCRUM and the LOAD
What type of lever is a pair of scissors?
What is a first class lever.
What is the direction of EFFORT when lifting the LOAD on a class-1 lever?
What is the direction of effort is DOWN
What is a benefit a person gains by using a lever?
What is an Advantage
The point where the lever arm pivots is called the _______.
What is the Fulcrum
What type of lever is a stapler?
What is a third class lever.
Provide a real world example of a class-1, class-2 and class-3 lever.
What is a Hammer (class-1), Nutcracker (class-2), Tweezer (class-3),