1) To which class does this lever belong ? a) first class b) second class c) third class  d) This is not a lever  2) To which class does this lever belong ? a) first class b) second class c) third class d) This is not a lever 3) To which class does this lever belong ? a) first class b) second class c) third class d) This is not a lever 4) To which class does this lever belong ? a) first class b) second class c) third class d) This is not a lever 5) To which class does this lever belong ? a) first class b) second class c) third class d) This is not a lever 6) To which class does this lever belong ? a) first class b) second class c) third class d) This is not a lever 7) What is found in the middle of a second class lever ? a) Resistance force b) Fulcrum c) Effort force 8) What is found in the middle of a first class lever ? a) Resistance force b) Fulcrum c) Effort force 9) What is found in the middle of a third class lever ? a) Resistance force b) Fulcrum c) Effort force 10) Effort force is  a) The force exerted by man to use the lever. b) The fixed point of the lever. c) The force resulted from the body we want to lift by the lever..

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