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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
Velocity=
The US uses how much of the total world energy consumption?
Time for an object thrown to reach maximum height
density of air
2. Current x voltage energy/time (joules per second)
Centripedal acceleration=
Wavelength
Power (watts)
atmospheric pressure (atm)
3. Velocity squared / radius
Wavelength
Why does something move?
Centripedal acceleration=
period p of a mass m oscillating on a horizontal spring of force constant k
4. 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
1 BTU
Condition for stability
mass flow rate formula
5. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
volume fluid flow rate
law of conservation of energy
continuity
density of air
6. Mass x velocity
the pressure of liquids _____ when it goes faster
Heat
Momentum
Kepler
7. V x A= constant
density of lead
when ice in water melts what happens?
continuity
Speed of light
8. 5/9 [T(F)-32]
Convert Fahrenheit to Celsius
Time for an object thrown to reach maximum height
Speed of light
pressure at depth h
9. How much torque it takes to get an object rotating
Rotational inertia (moment of inertia)
Stable
Speed of light
incoming and outgoing flow rate formula
10. Distance traveled / time
Velocity=
period of a pendulum T of length L
Projectile
Equilibrium
11. Because nothing stops it
Convection
Why does something move?
Total momentum before collision
period p of a mass m oscillating on a horizontal spring of force constant k
12. 1.25 kg/m^3
Radiation
Thermal radiation
Newton
density of air
13. 1 / period (time)
Frequency
Net force=0 net torque?0
Thermal radiation
Galileo
14. Number density x temperature
c=3x10^8 m/s
pressure depends on
Condition for stability
Speed of light
15. The level stays the same
mechanical wave
Torque
when ice in water melts what happens?
velocity through a medium
16. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Convection
Thermal radiation
Torque
Einstein
17. Initial velocity = acceleration x time
Wave speed=
Pressure=
law of conservation of energy
Present velocity
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).
Physics
definition of Bernoulii's equation
azX
Convection
19. Mass x specific heat x temperature change
Newton's Second Law
ultrasound
Thermodynamics
Heat
20. 25%
The US uses how much of the total world energy consumption?
Heat
bernoulli's equation
Conduction
21. Net force=0 net torque=0
Equilibrium
Momentum
Galileo
Heat
22. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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23. It increases
Kepler
volume fluid flow rate formula
pressure does what when depth is increased
Wave speed=
24. Rod with forces applied at opposite ends in opposite directions
Wave speed=
Net force=0 net torque?0
period of a pendulum T of length L
measure of density
25. ?
restoring force
c=3x10^8 m/s
Second law of thermodynamics
Thermodynamics
26. The total disorder of an object
1 BTU
when ice in water melts what happens?
Why does something move?
entropy
27. 2 -700 kg/m^3
Physics
Convert Celsius to Kelven
density of aluminum
Internal energy
28. V1 x A1=v2 x A2
azX
Heat
incoming and outgoing flow rate formula
azX
29. Why things move
amplitude
Mechanics
Speed of light
Resistance
30. 9/5T(C)+32
Convert Celsius to Fahrenheit
Speed of light
density of air
frequency of light
31. 2 -700 kg/m^3
density of aluminum
Engine efficiency
Emissive
pressure does what when depth is increased
32. P x u x A
volume fluid flow rate formula
Engine efficiency cannot be 100%
mass flow rate formula
density of water
33. The effectiveness of a material in conducting heat
Einstein
pressure does what when depth is increased
Thermal conductivity
continuity
34. Force x lever arm
pressure does what when depth is increased
Newton's Second Law
Torque
Buoyant force
35. 2p x square root L/g
density of lead
Einstein
period of a pendulum T of length L
Physics
36. The heat transfer by electromagnetic waves - thermal light waves
density of air
Radiation
Torque
pressure does what when depth is increased
37. Heat into system - work done by system
Change in internal energy
wavelength
c=3x10^8 m/s
Internal energy
38. The combination of force and point of application
Thermal conductivity
Acceleration due to gravity on the earth
Photon energy
Torque
39. Maximum displacement from equilibrium
density of aluminum
First Law of thermodynamics
Acceleration
amplitude
40. How much torque it takes to get an object rotating
Energy of motion (kinetic energy)
Rotational inertia (moment of inertia)
Period
density of water
41. The combination of force and point of application
Torque
incoming and outgoing flow rate formula
volume fluid flow rate
Weight
42. Why things move
Convert Fahrenheit to Celsius
density of water
Mechanics
Newton's Second Law
43. 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
Speed of light
Quantum mechanics
Why does something move?
44. Change in velocity / time
Acceleration
Wave speed=
Engine efficiency cannot be 100%
Velocity required for an object to reach height h
45. Not easy to knock over
Velocity=
Physics
entropy
Stable
46. 100 -000 n/m^2
atmospheric pressure (atm)
density of water
wavelength
Heat capacity (specific heat)
47. C / f
Stable
Wavelength
pressure does what when depth is increased
c=3x10^8 m/s
48. Not easy to knock over
volume fluid flow rate formula
Stable
Conservation of energy
viscosity
49. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Aristotle
Convert Celsius to Fahrenheit
Fluid force
Einstein
50. Voltage / current
Resistance
Photon energy
order of states of matter stronger to lesser forces between atoms
law of conservation of energy