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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. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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2. Mass x specific heat x temperature change
Heat
mechanical wave
Total momentum before collision
Projectile
3. Current x resistance
Distance traveled
Heat capacity equation
Voltage
amplitude
4. Time required to complete one cycle
Galileo
Period
Velocity=
Why does something move?
5. A tendency for liquids to resist flowing.
Aristotle
viscosity
Thermodynamics
c=3x10^8 m/s
6. The level stays the same
when ice in water melts what happens?
measure of density
Galileo
Centripedal acceleration=
7. Length of a wave
wavelength
Centripedal acceleration=
Fluid force
Buoyant force
8. The study of heat and its transformation into mechanical energy
period p of a mass m oscillating on a horizontal spring of force constant k
atmospheric pressure (atm)
velocity through a medium
Thermodynamics
9. Z+n
c=3x10^8 m/s
Fluid force
pressure does what when depth is increased
azX
10. 5/9 [T(F)-32]
Convert Fahrenheit to Celsius
incoming and outgoing flow rate formula
Present velocity
viscosity
11. The energy that flows from one system to another because of their temperature difference.
ultrasound
Heat
definition of Bernoulii's equation
Wavelength
12. Fbottom-Ftop=mg=(density x vol) x g
Heat capacity equation
Net force?0 net torque=0
Stable structures
variation of pressure with depth
13. 2 -700 kg/m^3
viscosity
density of aluminum
Net force?0 net torque=0
Centripedal acceleration=
14. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Present velocity
1 BTU
Thermal conductivity
density of aluminum
15. Work done / heat in
Voltage
volume fluid flow rate
The US uses how much of the total world energy consumption?
Engine efficiency
16. Mass x specific heat x temperature change
Acceleration due to gravity on the earth
Quantum mechanics
Heat
Pressure=
17. 100 -000 n/m^2
atmospheric pressure (atm)
Photon energy
Period
the pressure of liquids _____ when it goes faster
18. New theory that explained behavior at the atomic level
Quantum mechanics
period of a pendulum T of length L
Newton's Second Law
Heat capacity (specific heat)
19. The change in internal energy= the heat absorbed- the work done
Aristotle
Einstein
law of conservation of energy
Convection
20. 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).
Physics
Internal energy
Period
Conservation of energy
21. Voltage / current
measurement of pressure
Resistance
Centripedal acceleration=
Radiation
22. Heat Q= mass of sample x specific heat x temp change
continuity
definition of Bernoulii's equation
bernoulli's equation
Heat capacity equation
23.
Thermodynamics
Momentum
density of lead
Energy of motion (kinetic energy)
24. P(P2-P1)D^4/128Ln n=fluid's viscosity
Rotational inertia (moment of inertia)
Flow through a pipe
entropy
Why does something move?
25. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
frequency of light
Einstein
First Law of thermodynamics
Conduction
26. If the CG is above the edge - the object will not fall
period p of a mass m oscillating on a horizontal spring of force constant k
Condition for stability
Convert Celsius to Kelven
volume fluid flow rate
27. Force per unit area
Newton's Second Law
pressure at depth h
Pressure=
Engine efficiency cannot be 100%
28. 1 / period (time)
Equilibrium
Frequency
Photon energy
Conservation of energy
29. Equals total momentum after collision
Stable
Total momentum before collision
c=3x10^8 m/s
Momentum
30. 100 -000 n/m^2
Quantum mechanics
atmospheric pressure (atm)
Distance traveled
Heat capacity equation
31. Heat into system - work done by system
Change in internal energy
Energy of motion (kinetic energy)
Wave speed=
pressure at depth h
32. 11 -000 kg/m^3
Pressure=
Resistance
density of lead
ultrasound
33. The heat transfer by electromagnetic waves - thermal light waves
Power (watts)
Pressure=
continuity
Radiation
34. The sum of the energy of all the molecules in the system
Internal energy
Conduction
Net force?0 net torque=0
viscosity
35. Net force=0 net torque=0
Pressure=
Resistance
Equilibrium
Center of gravity (CG)
36. P(P2-P1)D^4/128Ln n=fluid's viscosity
1 BTU
Present velocity
Flow through a pipe
Equilibrium
37. Heat Q= mass of sample x specific heat x temp change
pressure does what when depth is increased
Heat capacity equation
Radiation
infrasound
38. Mass x velocity
Momentum
The US uses how much of the total world energy consumption?
Pressure=
Change in internal energy
39. Z+n
azX
order of states of matter stronger to lesser forces between atoms
velocity through a medium
Power (watts)
40. You can't get more work out than the energy you put in
amplitude
wavelength
Conservation of energy
Thermal conductivity
41. Wavelength x frequency
Velocity=
Conservation of energy
measure of density
Wave speed=
42. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Second law of thermodynamics
Buoyant force
Equilibrium
Heat
43. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
volume fluid flow rate
volume fluid flow rate formula
Flow through a pipe
continuity
44. T=2p square root m/k frequency= square root k/m;/2p
mechanical wave
period p of a mass m oscillating on a horizontal spring of force constant k
Galileo
law of conservation of energy
45. 2 -700 kg/m^3
Power (watts)
Thermal radiation
density of aluminum
Condition for stability
46.
density of water
pressure at depth h
Brahe
Energy of motion (kinetic energy)
47. The total disorder of an object
Time for an object thrown to reach maximum height
Engine efficiency cannot be 100%
entropy
Aristotle
48. Are wider at the base (which lowers their center of gravity)
Stable structures
Galileo
Projectile
Convert Fahrenheit to Celsius
49. Force per unit area
mass flow rate formula
Wave speed=
Pressure=
1 BTU
50. Hf
Photon energy
Aristotle
Radiation
mass flow rate formula