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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. You cant get as much out as you put in
Distance traveled
Brahe
definition of Bernoulii's equation
Engine efficiency cannot be 100%
2. Distance traveled / time
Velocity=
Heat capacity equation
Second law of thermodynamics
Present velocity
3. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Distance traveled
Einstein
frequency of light
restoring force
4. 1 / period (time)
variation of pressure with depth
Velocity required for an object to reach height h
viscosity
Frequency
5. The heat needed to raise the temperature of 1 pound of water by 1 degree F
c=3x10^8 m/s
1 BTU
measurement of pressure
Photon energy
6. Current x voltage energy/time (joules per second)
Brahe
Power (watts)
Photon energy
1 BTU
7. You cant get as much out as you put in
Torque
c=3x10^8 m/s
First Law of thermodynamics
Engine efficiency cannot be 100%
8. Mass x gravity
atmospheric pressure (atm)
order of states of matter stronger to lesser forces between atoms
Heat
Weight
9. Sounds below 30 Hz
infrasound
Net force
Quantum mechanics
Stable structures
10. Mass x gravity
Weight
pressure at depth h
Resistance
Present velocity
11. Force x lever arm
Torque
measure of density
Centripedal acceleration=
Fluid force
12. 9/5T(C)+32
Convert Celsius to Fahrenheit
viscosity
Torque
Wave speed=
13. Hf
velocity through a medium
entropy
Convection
Photon energy
14. C / f
definition of Bernoulii's equation
First Law of thermodynamics
Wavelength
Buoyant force
15. Time= the square root of 2 x height / acceleration due to gravity
Time for an object thrown to reach maximum height
Wavelength
amplitude
frequency of light
16. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
Torque
Heat capacity (specific heat)
order of states of matter stronger to lesser forces between atoms
Heat capacity equation
17. 2 -700 kg/m^3
wavelength
Engine efficiency
velocity through a medium
density of aluminum
18. How much torque it takes to get an object rotating
Rotational inertia (moment of inertia)
ultrasound
the pressure of liquids _____ when it goes faster
Convert Fahrenheit to Celsius
19. 100 -000 n/m^2
wave
atmospheric pressure (atm)
Change in internal energy
Fluid force
20. Force x lever arm
Flow through a pipe
Distance traveled
Torque
the pressure of liquids _____ when it goes faster
21. Fbottom-Ftop=mg=(density x vol) x g
Heat
1 BTU
The US uses how much of the total world energy consumption?
variation of pressure with depth
22. 1 / period (time)
density of air
Newton
volume fluid flow rate
Frequency
23. T=2p square root m/k frequency= square root k/m;/2p
the pressure of liquids _____ when it goes faster
Heat capacity equation
period p of a mass m oscillating on a horizontal spring of force constant k
amplitude
24. Length of a wave
measure of density
Rotational inertia (moment of inertia)
wavelength
pressure depends on
25. 18600 miles/sec
Engine efficiency
measure of density
Speed of light
Distance traveled
26. Speed of light / wavelength
wavelength
frequency of light
Quantum mechanics
incoming and outgoing flow rate formula
27. Heat Q= mass of sample x specific heat x temp change
Velocity required for an object to reach height h
Heat capacity (specific heat)
Heat capacity equation
law of conservation of energy
28. 2p x square root L/g
period of a pendulum T of length L
Thermal conductivity
law of conservation of energy
First Law of thermodynamics
29. 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
Why does something move?
azX
Einstein
30. A disturbance that moves through something
velocity through a medium
Emissive
wave
Convert Celsius to Kelven
31. Z+n
the pressure of liquids _____ when it goes faster
Voltage
Center of gravity (CG)
azX
32. T(C) +273
Conduction
Stable structures
Convert Celsius to Kelven
Newton
33. Force per unit area
Pressure=
measure of density
Engine efficiency cannot be 100%
Torque
34. P + density x g h
pressure at depth h
Velocity=
period p of a mass m oscillating on a horizontal spring of force constant k
continuity
35. Net force=0 net torque=0
Net force=0 net torque?0
mass flow rate formula
Center of gravity (CG)
Equilibrium
36. The sum of the energy of all the molecules in the system
Internal energy
density of lead
ultrasound
Centripedal acceleration=
37. 5/9 [T(F)-32]
Fluid force
order of states of matter stronger to lesser forces between atoms
azX
Convert Fahrenheit to Celsius
38. 10 m/s^2
Acceleration due to gravity on the earth
Photon energy
Net force
Convert Fahrenheit to Celsius
39. The level stays the same
Conduction
when ice in water melts what happens?
pressure at depth h
measurement of pressure
40. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
viscosity
volume fluid flow rate formula
Convection
velocity through a medium
41. Length of a wave
wavelength
Heat
Resistance
Newton
42. The energy that flows from one system to another because of their temperature difference.
Flow through a pipe
Internal energy
Heat
Centripedal acceleration=
43. As the speed of a moving fluid increases - the pressure within the fluid decreases
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44. P x u x A
mass flow rate formula
Torque
law of conservation of energy
Buoyant force
45. Wavelength x frequency
density of air
Wave speed=
1 BTU
frequency of light
46. Initial velocity = acceleration x time
Present velocity
Buoyant force
Emissive
volume fluid flow rate
47. Number density x temperature
entropy
mechanical wave
pressure depends on
Radiation
48. Work done / heat in
Distance traveled
Engine efficiency
ultrasound
Torque
49. The heat transfer by electromagnetic waves - thermal light waves
wavelength
Wave speed=
Radiation
Velocity=
50. 10 m/s^2
Acceleration due to gravity on the earth
Why does something move?
Present velocity
density of water
Can you answer 50 questions in 15 minutes?
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