Mechanical advantage
Quiz by Endea Robinson
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12 questions
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- Q1Which simple machine consists of a wheel with a grooved rim around which a cord passes?LeverPulleyIncline planeWedge30s
- Q2What type of simple machine is a straight, slanted surface that allows objects to be raised with less force?Incline planeWedgePulleyLever30s
- Q3Which simple machine is used to lift heavy objects by turning a circular object attached to a rigid bar?PulleyWheel and axleScrewWedge30s
- Q4Julia uses a pulley system to lift a box that weighs 400 Newtons with an effort of 100 Newtons. What is the mechanical advantage of the pulley system?41000.25230s
- Q5Samantha uses a simple machine to lift a 200 Newton object with an effort of only 40 Newtons. What is the mechanical advantage of this simple machine?540.21030s
- Q6A student uses a system of two pulleys to lift a backpack weighing 60 Newtons with an effort of 30 Newtons. What is the mechanical advantage of the pulley system?30.52130s
- Q7What is the function of a pulley in a simple machine?To lift or lower objectsTo cut objectsTo fasten objects togetherTo measure weight of objects30s
- Q8What is the function of a lever in a simple machine?To cool objects downTo light objects on fireTo lift or move objects with less effortTo grow objects30s
- Q9What is the function of a gear in a simple machine?To measure weight of objectsTo cut objectsTo hold objects togetherTo change the speed or direction of motion30s
- Q10What is the function of a screw in a simple machine?To cut objectsTo fasten objects togetherTo lift or lower objectsTo measure weight of objects30s
- Q11What is the function of an inclined plane in a simple machine?To crush objectsTo reduce the force needed to lift objectsTo separate objectsTo rotate objects30s
- Q12What is the function of a wedge in a simple machine?To provide support for objectsTo hold objects togetherTo split objects apartTo move objects from one place to another30s