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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. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Momentum
Buoyant force
Change in internal energy
variation of pressure with depth
2. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Convert Celsius to Kelven
frequency of light
mechanical wave
1 BTU
3. Are wider at the base (which lowers their center of gravity)
Speed of light
density of aluminum
Stable structures
Center of gravity (CG)
4. The study of heat and its transformation into mechanical energy
velocity through a medium
entropy
Thermodynamics
Weight
5. 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
pressure does what when depth is increased
Velocity=
frequency of light
6. Because nothing stops it
period p of a mass m oscillating on a horizontal spring of force constant k
Why does something move?
Heat capacity equation
continuity
7. 9/5T(C)+32
law of conservation of energy
Convert Celsius to Fahrenheit
Why does something move?
mass flow rate formula
8. Kg/m^3
Heat
azX
measure of density
variation of pressure with depth
9. The force that brings a system back to equilibrium
volume fluid flow rate formula
Weight
Present velocity
restoring force
10. T^4
infrasound
Convert Fahrenheit to Celsius
measurement of pressure
Thermal radiation
11. Z+n
Convert Celsius to Fahrenheit
pressure does what when depth is increased
velocity through a medium
azX
12. The total force (positive and negative) acting upon an object
Fluid force
density of air
Mechanics
Net force
13. Distance traveled / time
Velocity=
Power (watts)
Convection
Convert Fahrenheit to Celsius
14. The change in internal energy= the heat absorbed- the work done
mass flow rate formula
variation of pressure with depth
law of conservation of energy
Time for an object thrown to reach maximum height
15. Heat is carried from place to place by the bulk movement of either liquids or gasses
infrasound
Wavelength
Convection
Power (watts)
16. V x A= constant
Energy of motion (kinetic energy)
continuity
velocity through a medium
Center of gravity (CG)
17. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
volume fluid flow rate formula
The US uses how much of the total world energy consumption?
measure of density
Newton
18. As the speed of a moving fluid increases - the pressure within the fluid decreases
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19. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Einstein
frequency of light
Time for an object thrown to reach maximum height
Torque
20. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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21. 1.25 kg/m^3
Wavelength
density of air
Flow through a pipe
continuity
22. Believed that the natural state of objects was to be at rest
Aristotle
Resistance
Fluid force
pressure at depth h
23. Pascal (Pa) or pounds per square inch (psi)
Newton
measurement of pressure
velocity through a medium
Torque
24. Number density x temperature
Acceleration due to gravity on the earth
atmospheric pressure (atm)
azX
pressure depends on
25. Fbottom-Ftop=mg=(density x vol) x g
Voltage
Stable
static fluid formula
variation of pressure with depth
26. Maximum displacement from equilibrium
volume fluid flow rate formula
entropy
Conduction
amplitude
27. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
volume fluid flow rate
Heat
Change in internal energy
Internal energy
28. P x u x A
entropy
azX
atmospheric pressure (atm)
mass flow rate formula
29. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Brahe
Convert Celsius to Fahrenheit
Voltage
Newton's Second Law
30. An object that is thrown or struck or shot and then travels under the influence of gravity
Projectile
Stable structures
Frequency
Heat
31. Initial velocity = acceleration x time
Present velocity
Wavelength
when ice in water melts what happens?
Aristotle
32. T=2p square root m/k frequency= square root k/m;/2p
period p of a mass m oscillating on a horizontal spring of force constant k
Voltage
Newton
Net force?0 net torque=0
33. You can't get more work out than the energy you put in
Conservation of energy
period of a pendulum T of length L
Net force?0 net torque=0
Period
34. The heat transfer by electromagnetic waves - thermal light waves
density of air
period of a pendulum T of length L
Radiation
Pressure=
35. Because nothing stops it
Pressure=
Why does something move?
1 BTU
Torque
36. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Acceleration due to gravity on the earth
amplitude
Emissive
1 BTU
37. Equals total momentum after collision
Acceleration
density of aluminum
Weight
Total momentum before collision
38. A tendency for liquids to resist flowing.
viscosity
Buoyant force
mechanical wave
Center of gravity (CG)
39. Net force=0 net torque=0
Equilibrium
Heat capacity equation
wavelength
Centripedal acceleration=
40. New theory that explained behavior at the atomic level
wave
Internal energy
Resistance
Quantum mechanics
41. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
bernoulli's equation
density of aluminum
Heat capacity equation
Newton
42. Kg/m^3
Projectile
pressure depends on
measure of density
Torque
43. Sounds above 20 -000 Hz
Aristotle
Heat capacity (specific heat)
ultrasound
pressure does what when depth is increased
44. 100 -000 n/m^2
Radiation
atmospheric pressure (atm)
Internal energy
Equilibrium
45. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
restoring force
density of lead
1 BTU
Kepler
46. Time required to complete one cycle
Physics
Torque
Period
Newton
47. Why things move
Mechanics
The US uses how much of the total world energy consumption?
Torque
Present velocity
48. 5/9 [T(F)-32]
Buoyant force
Velocity=
period of a pendulum T of length L
Convert Fahrenheit to Celsius
49. Change in velocity / time
Physics
density of lead
Acceleration
Emissive
50. Force per unit area
Change in internal energy
Energy of motion (kinetic energy)
Pressure=
Wave speed=