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### Upper Elementary Science - II4.9 Point of Fulcrum

 A machine is a device that helps make work easier to perform. The six simple machines are: Lever Wheel and Axle Pulley Inclined Plane Wedge Screw A lever is a simple machine that makes work easier for use; it involves moving a load around a pivot using a force. There are three different classes of levers: In a Type 1 Lever, the pivot (fulcrum) is between the effort and the load. Examples: see-saw, pliers In a Type 2 Lever, the load is between the pivot (fulcrum) and the effort. Examples: nail clippers, staplers In a Type 3 Lever, the effort is between the pivot (fulcrum) and the load. Examples: fishing rod, tongs Directions: Answer the following questions.
 Q 1: The load and effort are on either sides of the fulcrum. This is the case of Type 3 leverType 1 leverType 2 lever Q 2: The effort in a type3 lever is in between the load and the fulcrum.TrueFalse Q 3: Scissors is an example of Type 1 LeverType 2 LeverType 3 Lever Q 4: In a type 2 lever the fulcrum is at the end of the lever.Truefalse Question 5: This question is available to subscribers only! Question 6: This question is available to subscribers only!