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science 3.3

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
a wedge is a sloped surface that forces materials apart {true/false}   True  
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when u turn a screw into a piece of wood, the input force of the screwdriver is converted to an output force by the threads of the screw. {true/false}   True  
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what do you call when two or more simple machines work together   a compound machine  
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what are the 6 types of simple machines   lever, wheel&axle, screw, pulley, inclined plane, wedge  
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what is a compound machine   when two or more simple machines operate together  
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how do you calculate the efficiency of a compound machine   multiply the efficiencys of each simple machine together  
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three examples of a wedge   a. your front teeth b. and ax c. a knife  
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three examples of a lever   a. stapler b. tweezers c. nut cracker  
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three examples of wheel&axle   a. screwdriver b. a ferris wheel c. pencil sharpener  
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what type of simple machine is , flagpole   pulley  
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what type of simple machine is , narro    
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a wedge is a sloped surface that forces materials apart {true/false}   True  
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when u turn a screw into a piece of wood, the input force of the screwdriver is converted to an output force by the threads of the screw. {true/false}   True  
🗑
what do you call when two or more simple machines work together   a compound machine  
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what are the 6 types of simple machines   lever, wheel&axle, screw, pulley, inclined plane, wedge  
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what is a compound machine   when two or more simple machines operate together  
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how do you calculate the efficiency of a compound machine   multiply the efficiencys of each simple machine together  
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three examples of a wedge   a. your front teeth b. and ax c. a knife  
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three examples of a lever   a. stapler b. tweezers c. nut cracker  
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three examples of wheel&axle   a. screwdriver b. a ferris wheel c. pencil sharpener  
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what type of simple machine is , flagpole   pulley  
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what type of simple machine is , narro    
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what type of simple machine is , seesaw   lever  
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a shaft that turns   axle  
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the part of a lever that applies force   input arm  
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an oar is what class of a lever   first-class  
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what is a compound machine   when two or more simple machines operate together make a compound machine  
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how is the efficiency of a compound machine calculated   multiplying the efficiency's of each simple machine  
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what happens to the efficiency of the overall machine as more simple machines are added to it   the more simple machines you add decreases the overall efficiency  
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Created by: hilldia8838
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