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12 questions
Show answers
- Q1What uses a force to move something a certain distanceForcePulleyMechanical AdvantageWork30s
- Q2What is an example of a wheel and axle?RampNailScissorsDoorknob30s
- Q3Why do we use simple machines?They decrease the amount of distanceThey decrease the amount of force required to do workBecause Archimedes discovered simple machinesThey decrease the amount of work30s
- Q4What does the lever do?Balance objects in placeChanges the force or distance required to move an objectChanges the force onlyChanges the distance only30s
- Q5A pulley's mechanical advantage depends onthe input force onlythe number of ropesthe number of wheelsthe amount of weight30s
- Q6The following are all similar to levers EXCEPTWheel & AxleLeverPulleyInclined Plane30s
- Q7What is a fulcrum?The output forceIt's part of a leverThe loadThe point where the lever pivots30s
- Q8What type of wedge increases the mechanical advantage?Thin and short wedgeThick and short wedgeThick and long wedgeThin and long wedge30s
- Q9What is an example of a screw?NailSpiral staircasePenHammer30s
- Q10What is a compound machine?One simple machineA machine that consists of more than one simple machineCompares simple machinesA machine that is compounded30s
- Q11What is the purpose of an inclined plane?To lift an objectTo keep two objects togetherTo split in objectTo pull something upwards or downwards30s
- Q12The following are all similar to an inclined plane EXPECTInclined PlaneLeverScrewWedge30s