simple machines

-------- are devices that make work easier

• pulley

• machines

• force

• effort

-------- is the weight body on which the work is to be done.

• fulcrum

• effort

• load

• lever

flag-post is an example of a --------- pulley

• fixed

• movable

• wheel borrow

• screw

----------- is a long bar that rests on a fixed point that lifts or moves load.

• fulcrum

• fixed

• load

• lever

in class ----------- levers the fulcrum is in the between load and effort

• four

• one

• two

• three

forceps is an example of a class- ----------

force that users applies on the lever

• effort

• fixed pulley

• pulley

• lever

a simple machines with a wheel and axle or a rod that allows the wheel to be turned

• screw

• lever

• pulley

• wheel and axle

it has a rope or chain that can move things up and down or back and forth

• effort

• pulley

• inclined plane

• screw

a pulley that remains fixed to a position

• fixed pulley

• pulley

• wedge

• knife