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Mechanical Systems Final Review Flashcards | StudBud
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Mechanical Systems Final Review
Mechanical Systems Final Review
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Mechanical System and Machines help us do work!
Flashcards
19 cards
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Questions
19
Answers
1
Which is NOT an example of work?
Lifting boxes while moving houses
Trying to push a car out of the snow
Putting dishes away
Lifting weights
2
Which of the following is NOT an example of a wheel and axle?
Bike
Rollerblades
Skates
Wagon
3
The mechanics that make a clock work are called linkages.
True
False
4
If MA = 3 this means that the machine is working
3 times less than you
3 times faster than you
3 times harder than you
with 3 times less energy
5
Stairs are an example of a wedge.
True
False
6
What kind of energy powers a skateboard?
Mechanical
Electrical
Renewable
Wind
7
A dentist drill that uses compressed air is a pneumatic system.
False
True
8
What kind of energy powers a remote?
Chemical
Solar
Electrical
Sensory
9
Sails on a boat are a type of pulley.
True
False
10
A measurement of how strong and quick a machine is, is called...
Work
Pressure
Effectiveness
Efficiency
11
Which is NOT true of Pascal's law of pressure?
It happens in an open system.
It happens in a closed system.
Pressure does the work in the machine.
Pressure is exerted equally.
12
Output force and distance is what you put into the machine to make it work.
True
False
13
A shovel is a type of...
Inclined Plane
Wedge
Screw
Lever
14
A doorknob is a type of...
Lever
Screw
Wheel and axle
Wedge
15
A complex machine has at least 4 simple machines working together.
False
True
16
When a machine works faster than you this is called...
Mechanical advantage
Efficiency
Speed ratio
Work
17
Which is NOT a subsystem of a car?
Braking
GPS
Wheel and axle
Steering
18
How have machines changed from past to present?
They are more efficient
They are more convenient
They all run on renewable energy
They are heavier
19
What kind of energy powers a toaster?
Electrical
Mechanical
Hydroelectric
Solar
