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WorksheetsPLTW EES Unit 2.2 Mechanical Advantage Test
Total questions: 19
Worksheet time: 1hrs 9mins
Using a lever, Joe is able to lift a 10,000 N car off of the ground with a force of 1000 N. What is the mechanical advantage of the lever (MA=Output Force/Input Force)?
1
10
100
1000
Which of these simple machines is a lever?
An effort of 450 newtons is applied to this pulley. What is the force of the load that will be lifted?
450
600
750
900
How much effort is required to lift the 300 newton load?
50
60
75
90
What is the mechanical advantage of this pulley?
1
2
3
4
What is effort (input) force?
the force one exerts on a machine
the force which an effort force must overcome in order to do work on an object via a simple machine.
the force the machine exerts on a object
the output work times the input distance
What is mechanical advantage?
The advantage a machine has over a bicycle
A measure of how much a simple machine reduces work
A measure of when is the best time to use a simple machine
the number of times a machine increases input force
What is the minimum amount of force the man will need to exert to lift the pig as pictured?
600
810
900
1000
A box is lifted by a force F using a lever as shown below.
What is the mechanical advantage of the lever ?
0.5
2
3
6
