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Test your basic knowledge |
Everyday Physics
Start Test
Study First
Subjects
:
science
,
literacy
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Distance traveled / time
Change in internal energy
Radiation
Total momentum before collision
Velocity=
2. If energy is transferred and the internal energy of system B decreases by some amount then the internal energy of system A must incrase by the same amount.
Center of gravity (CG)
amplitude
Convert Celsius to Fahrenheit
First Law of thermodynamics
3. Current x voltage energy/time (joules per second)
Momentum
Power (watts)
Change in internal energy
atmospheric pressure (atm)
4. 18600 miles/sec
Speed of light
Torque
Convert Celsius to Kelven
amplitude
5. Work done / heat in
Engine efficiency
viscosity
Present velocity
Stable
6. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
order of states of matter stronger to lesser forces between atoms
measure of density
volume fluid flow rate
period p of a mass m oscillating on a horizontal spring of force constant k
7. You can't get more work out than the energy you put in
ultrasound
First Law of thermodynamics
Engine efficiency
Conservation of energy
8. It increases
frequency of light
pressure does what when depth is increased
pressure depends on
Net force=0 net torque?0
9. How much torque it takes to get an object rotating
Rotational inertia (moment of inertia)
incoming and outgoing flow rate formula
Net force?0 net torque=0
wave
10. The study of how objects behave (from the very tiny to the very big - and from the beginning of the Universe to its ultimate fate).
Convert Fahrenheit to Celsius
pressure depends on
Physics
Condition for stability
11. 2 -700 kg/m^3
density of aluminum
pressure depends on
Velocity required for an object to reach height h
amplitude
12. Wavelength x frequency
Voltage
Distance traveled
Wave speed=
Convert Fahrenheit to Celsius
13. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Momentum
Kepler
Voltage
Center of gravity (CG)
14.
Stable
Energy of motion (kinetic energy)
Time for an object thrown to reach maximum height
Newton
15. Velocity squared / radius
volume fluid flow rate formula
Centripedal acceleration=
continuity
Voltage
16. C / f
Speed of light
Flow through a pipe
Wavelength
c=3x10^8 m/s
17. The change in internal energy= the heat absorbed- the work done
law of conservation of energy
restoring force
Buoyant force
Convert Celsius to Kelven
18. Fbottom-Ftop=mg=(density x vol) x g
pressure depends on
variation of pressure with depth
frequency of light
Brahe
19. P x u x A
mass flow rate formula
Internal energy
Acceleration
Acceleration due to gravity on the earth
20. Rod with forces applied at opposite ends in opposite directions
Net force=0 net torque?0
Convert Fahrenheit to Celsius
mechanical wave
frequency of light
21. ?
c=3x10^8 m/s
density of aluminum
Time for an object thrown to reach maximum height
Velocity required for an object to reach height h
22. Heat into system - work done by system
Change in internal energy
Convection
velocity through a medium
static fluid formula
23. 10 m/s^2
static fluid formula
Acceleration due to gravity on the earth
Time for an object thrown to reach maximum height
Wavelength
24. Equals total momentum after collision
Total momentum before collision
Thermodynamics
Stable structures
wave
25. The efficiency with which an object emits thermal radiation. Is a number between 0 and 1. A good emitter has an e close to 1.
Heat
Emissive
Net force=0 net torque?0
definition of Bernoulii's equation
26. Mass x specific heat x temperature change
volume fluid flow rate
order of states of matter stronger to lesser forces between atoms
Heat
Present velocity
27. Sounds below 30 Hz
c=3x10^8 m/s
Present velocity
pressure does what when depth is increased
infrasound
28. The first to do experimental studies of the laws of motion and was Imprisoned by Pope Urban VIII in 1633 for advocating the Copernican theory - also know as the heliocentric theory - that the earth was a planet revolving around the sun.
amplitude
wave
Physics
Galileo
29. Z+n
when ice in water melts what happens?
azX
Net force?0 net torque=0
definition of Bernoulii's equation
30. The level stays the same
measurement of pressure
Total momentum before collision
Convection
when ice in water melts what happens?
31. T^4
mass flow rate formula
Thermal radiation
Conduction
static fluid formula
32. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Kepler
variation of pressure with depth
Second law of thermodynamics
Centripedal acceleration=
33. The level stays the same
continuity
Rotational inertia (moment of inertia)
when ice in water melts what happens?
amplitude
34. A tendency for liquids to resist flowing.
pressure depends on
viscosity
Change in internal energy
Weight
35. A tendency for liquids to resist flowing.
viscosity
measurement of pressure
Wave speed=
Period
36. Net force=0 net torque=0
wavelength
Distance traveled
Equilibrium
Aristotle
37. The heat transfer by electromagnetic waves - thermal light waves
Radiation
Convection
Mechanics
velocity through a medium
38. Velocity squared / radius
Engine efficiency cannot be 100%
variation of pressure with depth
mechanical wave
Centripedal acceleration=
39. Fbottom=Ftop+mg where mg is the weight of the volume
static fluid formula
Second law of thermodynamics
velocity through a medium
Photon energy
40. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
Second law of thermodynamics
Projectile
wavelength
Heat capacity (specific heat)
41. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Why does something move?
Frequency
Projectile
1 BTU
42. Because nothing stops it
Net force?0 net torque=0
Thermal radiation
Why does something move?
Energy of motion (kinetic energy)
43. The total force (positive and negative) acting upon an object
Net force
Brahe
azX
Thermal conductivity
44. P x u x A
definition of Bernoulii's equation
density of air
Convert Celsius to Kelven
mass flow rate formula
45. As the speed of a moving fluid increases - the pressure within the fluid decreases
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46. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
variation of pressure with depth
bernoulli's equation
Second law of thermodynamics
Photon energy
47. Voltage / current
Conservation of energy
Resistance
Quantum mechanics
ultrasound
48. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Brahe
Net force=0 net torque?0
Convert Celsius to Kelven
First Law of thermodynamics
49. Kg/m^3
Kepler
measure of density
Torque
c=3x10^8 m/s
50. 1 / period (time)
Frequency
Momentum
restoring force
infrasound