Three Classes of Levers

What is the difference between class one and class two levers?

• In class one lever, the load is in between the effort and the fulcrum, while in class two lever, the fulcrum is in between the load and the effort

• In class one lever, the effort is in between the fulcrum and the load, while in class two lever, the load is in between the fulcrum and the effort

• In class one lever, the fulcrum is in between the load and the effort, while in class two lever, the load is in between the effort and the fulcrum

• In class one lever, the effort is in between the fulcrum and the load, while in class two lever, the fulcrum is in between the effort and the load

What is a lever?

• A type of screw used for drilling holes

• A type of pulley used for moving objects

• Angid rod capable of rotating about a fixed point called fulcrum

• A type of machine used for lifting heavy objects

How would you classify a lever if the fulcrum is located between the load and the effort?

• Class one lever

• Class two lever

• None of the above

• Class three lever

Which of the following is an example of a class two lever?

• A claw hammer

• A pair of scissors

• A bottle opener

• A crowbar

What is the effort in the context of levers?

• The effort is the resistance that needs to be overcome

• The effort is the force that is applied on the lever

• The effort is the point at which the lever is pivoted.

• The effort is the weight that is being pushed.

What are the three components of a lever?

• • The three components of a lever are effort, resistance and pivot point.

• • The three components of a lever are effort, load and fulcrum.

• • The three components of a lever are push, pull and pivot.

• • The three components of a lever are force, weight and pivot.

Which class of lever has the effort in between the fulcrum and the load?

• • Class two

• • None of the above

• Class three

• • Class one