Chapter 18 Test Review
Quiz by Kelsey Hanigan
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Measure skillsfrom any curriculum
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from any curriculum
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
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16 questions
Show answers
- Q1A push or pull that causes changes in motionfulcrumforcegravitylever120s
- Q2A force that opposes motionfulcrumfrictionsimple machinelever120s
- Q3The force of attraction that Earth exerts on objectsgravitypulleysimple machinelever120s
- Q4A wheel with a groove for a ropepulleywheel and axleleversimple machine120s
- Q5A bar that makes it easier to move thingsfulcrumsimple machineleverwheel and axle120s
- Q6A ramp or sloping surfaceleverinclined planesimple machinewheel and axle120s
- Q7A device, made of only a few parts, that makes work easierwheel and axleforceleversimple machine120s
- Q8The balance point of a leverfulcrumsimple machineleverpulley120s
- Q9What is the purpose of a simple machine?to make work easierto increase buoyancyto increase frictionto reduce work120s
- Q10In which of these situations is work done?Marcus thinks of an essay topicMaria holds a book in her handsSean throws a football 20 yardsJuan pushes against a brick wall120s
- Q11A batter hits a baseball, sending it soaring into the air. Which term best describes the forces on the moving ball?unbalancedsimplebalancedcombined120s
- Q12Two arm wrestlers exert a force of each other's hands, and the hands don't move. Which term describes the forces?unbalancedweakbalancedstrong120s
- Q13Two boys push on a box, to the left. They each apple a force of 50 N. At the same time, a third boy pushes on the box, to the right, using a force of 50 N. What is the net force of the box?0 N50 N to the left50 N to the right100 N to the right120s
- Q14What type of machine are a wedge, a chisel, and an axe?pulleycompound machinewheel and axleinclined plane120s
- Q15Which is NOT a simple machine?bicycledoor knobrampseesaw120s