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10 questions
Show answers
- Q1A device made up of two or more simple machines is called asimple machinelevercomplex machinepulley30s
- Q2A simple machine reduces the amount of input force, the the amount of ___________________ stays the sameefficiencyoutput forceworkwork30s
- Q3A ___________________ reduces the amount of effort force needed, but increases the distance traveled.simple machineefficiencycomplex machine30s
- Q4The comparison of the amount of work put into a machine to the amount of work put out by the machineinput forceoutput forceefficiency30s
- Q5The force applied to a machine is theoutput forceefficiencyinput force30s
- Q6The force applied by a machine is theinput forceoutput forceefficiency30s
- Q7Which two simple machines are used to move a wagonwheel and axle and inclined planylever and wheel and axleinclined plane and lever30s
- Q8How do you increase the efficiency of a pulley?Increase the amount of work neededUse a thicker chain or ropeincrease the number of fixed and moveable pulleys30s
- Q9How do you increase the efficiency of a leverMove fulcrum further from load or closer to where effort force is applied.Move fulcrum closer to load or further from where effort force is applied.30s
- Q10How do you increase the efficiency of an inclined plane?Make the inclined plane longer or decrease height.Make the inclined plane shorter or increase height30s