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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. The effectiveness of a material in conducting heat
variation of pressure with depth
Torque
Thermal conductivity
Velocity=
2. The sum of the energy of all the molecules in the system
Condition for stability
Engine efficiency cannot be 100%
Internal energy
Thermodynamics
3. Pressure x area
Fluid force
law of conservation of energy
velocity through a medium
Heat capacity (specific heat)
4. Velocity squared / radius
Convert Celsius to Kelven
Centripedal acceleration=
azX
Engine efficiency
5. 1 -000 kg/m^3
bernoulli's equation
continuity
Weight
density of water
6. The level stays the same
when ice in water melts what happens?
Einstein
Projectile
Acceleration
7. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
volume fluid flow rate formula
Physics
entropy
Voltage
8. Rod with forces applied at opposite ends in opposite directions
1 BTU
Fluid force
Net force=0 net torque?0
Period
9. Time= the square root of 2 x height / acceleration due to gravity
Heat capacity equation
period of a pendulum T of length L
Time for an object thrown to reach maximum height
Wave speed=
10. 1 -000 kg/m^3
Quantum mechanics
volume fluid flow rate formula
Heat
density of water
11. Wavelength x frequency
Velocity=
Rotational inertia (moment of inertia)
ultrasound
Wave speed=
12. Hf
continuity
Present velocity
Photon energy
Galileo
13. Are wider at the base (which lowers their center of gravity)
Galileo
Energy of motion (kinetic energy)
Newton's Second Law
Stable structures
14. Sounds below 30 Hz
Flow through a pipe
Newton
Internal energy
infrasound
15. The total force (positive and negative) acting upon an object
Net force
Galileo
Thermal conductivity
Convection
16. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Newton
Galileo
Newton's Second Law
Einstein
17. C / f
Engine efficiency cannot be 100%
Equilibrium
Wavelength
Stable
18. 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).
Voltage
Flow through a pipe
Physics
density of aluminum
19. 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.
law of conservation of energy
Convert Celsius to Fahrenheit
Galileo
Conduction
20. A tendency for liquids to resist flowing.
Emissive
viscosity
static fluid formula
Physics
21. Current x resistance
Voltage
Torque
continuity
Wavelength
22. 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.
Photon energy
First Law of thermodynamics
Quantum mechanics
pressure depends on
23. Fbottom-Ftop=mg=(density x vol) x g
Net force=0 net torque?0
when ice in water melts what happens?
variation of pressure with depth
volume fluid flow rate formula
24. The change in internal energy= the heat absorbed- the work done
pressure does what when depth is increased
law of conservation of energy
Newton
velocity through a medium
25. 18600 miles/sec
Emissive
continuity
Speed of light
Heat capacity equation
26. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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27. 10 m/s^2
Newton
static fluid formula
Acceleration due to gravity on the earth
Change in internal energy
28. Force x lever arm
Internal energy
pressure depends on
density of air
Torque
29. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
static fluid formula
Kepler
volume fluid flow rate
Quantum mechanics
30. Decreases
the pressure of liquids _____ when it goes faster
frequency of light
Convert Celsius to Kelven
order of states of matter stronger to lesser forces between atoms
31. 2 -700 kg/m^3
pressure does what when depth is increased
order of states of matter stronger to lesser forces between atoms
mechanical wave
density of aluminum
32. Initial velocity = acceleration x time
viscosity
Present velocity
Convert Fahrenheit to Celsius
Newton's Second Law
33. The change in internal energy= the heat absorbed- the work done
Power (watts)
law of conservation of energy
Acceleration
Net force
34. 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.
Conduction
density of air
Center of gravity (CG)
First Law of thermodynamics
35. Because nothing stops it
Stable structures
The US uses how much of the total world energy consumption?
Why does something move?
density of lead
36. Z+n
Velocity=
definition of Bernoulii's equation
volume fluid flow rate
azX
37. Maximum displacement from equilibrium
amplitude
pressure at depth h
Thermal conductivity
viscosity
38. Force per unit area
order of states of matter stronger to lesser forces between atoms
Stable structures
Pressure=
Why does something move?
39. Number density x temperature
Photon energy
Equilibrium
pressure depends on
infrasound
40. Kg/m^3
Total momentum before collision
Convert Celsius to Fahrenheit
Power (watts)
measure of density
41. You can't get more work out than the energy you put in
c=3x10^8 m/s
continuity
Acceleration due to gravity on the earth
Conservation of energy
42. 10 m/s^2
bernoulli's equation
Acceleration due to gravity on the earth
pressure at depth h
Voltage
43. Distance traveled / time
Velocity=
Net force
Thermal radiation
Projectile
44. Decreases
the pressure of liquids _____ when it goes faster
wavelength
period of a pendulum T of length L
The US uses how much of the total world energy consumption?
45. Wavelength x frequency
Heat
Torque
Wave speed=
Heat capacity equation
46. Equals total momentum after collision
Total momentum before collision
Internal energy
Heat
Newton
47. C / f
Engine efficiency cannot be 100%
Wavelength
volume fluid flow rate
Engine efficiency
48. The level stays the same
Projectile
when ice in water melts what happens?
Voltage
Newton
49. A disturbance that moves through something
Newton
Galileo
wave
Convection
50. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Change in internal energy
bernoulli's equation
Einstein
viscosity