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AE PP 6.1 Energy, Work, Power Flashcards | StudBud
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AE PP 6.1 Energy, Work, Power
AE PP 6.1 Energy, Work, Power
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1
Energy can change from one form to another
False
True
2
mass x acceleration = ?
Work
Momentum
Power
Force
3
1Nm (1 Newton x 1 metre) = ?
1 calorie
1 kJ
1 kg of thrust
1 joule
4
Aircraft propulsion relies on which of Newton's laws of motion?
2nd law
3rd law
1st law
5
Kinetic energy + potential energy = ?
electrical energy
Chemical energy
Total energy
Mechanical energy
6
The energy an object has because of its motion
Mechanical energy
Thermal energy
Kinetic energy
Potential energy
7
In physics, what does work refer to?
Energy of an object at rest
Effort put it
Moving stuff around
Transfer of energy from one body/system to another
8
The study of how aircraft make thrust and move
Expulsion
Propulsion
Powerplants
Propellers
9
The energy stored by a substance or fuel is
Mechanical energy
Heat energy
Kinetic energy
Chemical energy
10
Combustion = heat + oxygen + _____________
Foul
Fire
Fuel
Feelings
11
The amount of energy needed to heat 1g of water by 1°C
Newton metre
Joule
Watt
Calorie
12
Work done / time = ?
Power
Energy
Force
Acceleration
13
How can the chemical energy of a substance be released?
Turbine
Chemical release
Compression
Combustion
14
The energy stored in matter (in the bonds between atoms)
Mechanical energy
Chemical energy
Electrical energy
Potential energy
15
What is happening in the picture?
Combustion
Propulsion
Compression
Acceleration
16
What is work?
momentum x force
acceleration x mass
force x distance
velocity x distance
17
Chemical energy is a form of potential energy
False
True
18
mass x velocity = ?
Velocity
Momentum
Work
Acceleration
19
What is energy?
The ability or capacity of a body to do work
Electrical power
How powerful something is
The amount of momentum an object has
20
Force x distance = ?
Power
Work
Energy
Velocity
21
Total energy of a substance (j) / mass (kg) = ?
work
energy density
power
matter
22
What is power?
The rate of transfer of energy
How much energy an object has
The rate at which work is done
How strong you are
23
Which has the highest energy density?
Sugar
Rocket fuel
Protein
Petrol
24
During combustion, chemical energy is converted to..
Electrical energy
Heat and light
Potential energy
Kinetic energy