Page 235 - New Medley 5 Semester 2

e easiest way to remember the di erence is the order of E ort (E), Load (L)
and Fulcrum (F).

 In a rst class lever, fulcrum is between load and

e ort. Scissors, seesaw, handpump, beam balance
and claw hammer are some examples of rst class levers.

Handpump Seesaw Beam balance Hammer
Some examples of first class levers

 In a second class lever, load is between fulcrum and
e ort. Bottle opener, nutcracker and wheelbarrow

are some examples of second class levers.

Bottle opener Nutcracker Wheelbarrow
Some examples of second class levers

 In a third class lever, e ort is between fulcrum and

load. Fire tongs, shing rod, cricket bat and forceps
are some examples of third class levers.

Fire tongs Fishing rod Cricket bat
Some examples of third class levers

Pulley

A pulley is a small wheel having a groove around its edge. It makes 
our work easier by changing the direction of force. Pulleys are used 

to draw water from a well, to hoist a ag and to li the load.

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