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- 1. Multiple Choice
1. A _________is a simple machine with a fulcrum and a rigid bar.PivotLeverWedgePulley - 2. Multiple ChoiceThe place where a lever pivots is called the _______.LoadForce/EffortFulcrumRigid Bar
- 3. Multiple Choice_________ is an example of a lever.HammerCrowbarWheelbarrowAll of the above
- 4. Multiple ChoiceThe push or pull on a lever is called the .........FulcrumForce or EffortResistance (Load)Arm
- 5. Multiple ChoiceWhich type of lever is this?First Class LeverSecond Class LeverThird Class LeverCoach Class Lever
- 6. Multiple ChoiceSimple machines (lever, inclined plane, wedge, screw, pulley, wheel and axle) do which of the following?Reduce the mass of an object that needs to be movedReduce the distance an object needs to be movedReduce the amount of time needed to move an object over a distanceReduce the force needed to move an object over a distance
- 7. Multiple ChoiceA simple machine is a device that helps to reduce the amount of _____ required to do work.forceenergyworkmoney
- 8. Multiple Choice____ is done when a force is applied over a distance.energyworkforceA Jedi using the force
- 9. Multiple ChoiceA ______ is a grooved wheel with a rope running along the groove.leverpulleyscrew
- 10. Multiple ChoiceA simple machine that is made up of an inclined plane wrapped around a cylinder. It is often used to hold things together.leverscrewwedgevelcro
- 11. Multiple ChoiceA simple machine that can split things apart or hold a door open.wedgescrewleverhand
- 12. Multiple ChoiceFlagpolewedgepulleyincline planewheel and axle
- 13. Multiple ChoiceThis devicewedgeleverincline planewheel and axle
- 14. Multiple ChoiceScrews and wedges are examples of what other type of simple machine?pulleyinclined planeleversgears
- 15. Multiple ChoiceA seesaw is an example of awedgeleverinclined planepulley
- 16. Multiple ChoiceA wheel and axle with a groove around the outside where a rope, chain, or belt is connected that lifts objects upwards by pulling downwards.pulleywheel and axleinclined planelever
- 17. Multiple ChoiceAn axe is an example of apulleyinclined planescrewwedge
- 18. Multiple ChoiceWhich simple machine is shown in the picture?wheel and axleleverwedgepulley
- 19. Multiple ChoiceWhich type of machine is shown in the picture?wedgepulleyinclined planescrew
- 20. Multiple ChoiceName this simple machine.Wheel and AxleLeverPulleyWedge
- 21. Multiple ChoiceName this simple machine.Inclined PlaneLeverPulleyWedge
- 22. Multiple ChoiceWhat type of simple machine is this?wheel and axlegearleverinclined plane
- 23. Multiple ChoiceBob earns $8 for every cake he delivers.
m = money
c = cakes he delivers
The dependent variable is:m = moneyc = cakes he delivers - 24. Multiple ChoiceLily got one prize for every book she read.
p = prize
b = books she reads
The independent variable is:p = prizeb = books she reads - 25. Multiple ChoiceOn a graph, which axis shows the independent variable?x-axisy-axisneitherit changes
- 26. Multiple ChoiceOn a graph, which axis shows the dependent variable?x-axisy-axisneitherit changes
- 27. Multiple ChoiceEvery morning, Krysta runs laps around the track for one hour. The number of laps she is able to run in the hour depends on the speed at which she runs.
r = the number of laps Krysta can run in one hour
s = the speed at which Krysta runs
Which of the variables is the dependent variable?rs - Answer choicesTagsAnswer choicesTags