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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. Sounds above 20 -000 Hz
Net force?0 net torque=0
ultrasound
Acceleration
Velocity required for an object to reach height h
2. A disturbance that propagates through a medium
bernoulli's equation
volume fluid flow rate formula
mechanical wave
Emissive
3.
Convert Fahrenheit to Celsius
Photon energy
Distance traveled
Net force
4. 11 -000 kg/m^3
density of water
density of lead
Stable
Frequency
5. The total force (positive and negative) acting upon an object
Net force
Momentum
Heat
measurement of pressure
6. Force x lever arm
the pressure of liquids _____ when it goes faster
Torque
entropy
1 BTU
7. Why things move
Mechanics
First Law of thermodynamics
Thermal radiation
Heat capacity equation
8.
Radiation
Mechanics
Energy of motion (kinetic energy)
Equilibrium
9. If the CG is above the edge - the object will not fall
Einstein
Change in internal energy
Condition for stability
First Law of thermodynamics
10. The change in internal energy= the heat absorbed- the work done
order of states of matter stronger to lesser forces between atoms
Radiation
law of conservation of energy
order of states of matter stronger to lesser forces between atoms
11. Heat is carried from place to place by the bulk movement of either liquids or gasses
Thermal radiation
Acceleration
Convection
period p of a mass m oscillating on a horizontal spring of force constant k
12. The sum of the energy of all the molecules in the system
density of aluminum
Internal energy
Net force
variation of pressure with depth
13. Because nothing stops it
Why does something move?
Second law of thermodynamics
atmospheric pressure (atm)
restoring force
14. T(C) +273
Convert Celsius to Kelven
Galileo
Period
Momentum
15. Mass x specific heat x temperature change
amplitude
Einstein
Thermal conductivity
Heat
16. C/n
Heat
Thermodynamics
velocity through a medium
wave
17. 2p x square root L/g
period of a pendulum T of length L
Fluid force
Quantum mechanics
pressure at depth h
18. A tendency for liquids to resist flowing.
viscosity
Flow through a pipe
wavelength
Heat capacity equation
19. Pascal (Pa) or pounds per square inch (psi)
Radiation
Heat
measurement of pressure
when ice in water melts what happens?
20. The total force (positive and negative) acting upon an object
Thermodynamics
Torque
Net force
Power (watts)
21. A disturbance that moves through something
Stable
1 BTU
wave
Heat
22. C / f
Wavelength
density of aluminum
Conservation of energy
period of a pendulum T of length L
23. Because nothing stops it
Why does something move?
Thermal conductivity
Wave speed=
Engine efficiency
24. Net force=0 net torque=0
Equilibrium
atmospheric pressure (atm)
Convert Celsius to Kelven
Frequency
25. 100 -000 n/m^2
Convert Fahrenheit to Celsius
Net force
atmospheric pressure (atm)
Second law of thermodynamics
26. The force that brings a system back to equilibrium
entropy
Voltage
restoring force
density of lead
27. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
Kepler
Heat capacity (specific heat)
Acceleration due to gravity on the earth
Pressure=
28. Length of a wave
wavelength
Heat capacity (specific heat)
Einstein
definition of Bernoulii's equation
29. The combination of force and point of application
Heat capacity equation
Torque
pressure does what when depth is increased
Change in internal energy
30. Z+n
pressure at depth h
azX
Emissive
wave
31. Mass x gravity
Weight
Heat capacity (specific heat)
static fluid formula
restoring force
32. 1 / period (time)
Internal energy
Frequency
amplitude
mass flow rate formula
33. Time= the square root of 2 x height / acceleration due to gravity
mechanical wave
Convert Fahrenheit to Celsius
Time for an object thrown to reach maximum height
Center of gravity (CG)
34. Decreases
Aristotle
continuity
Acceleration
the pressure of liquids _____ when it goes faster
35. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Aristotle
period of a pendulum T of length L
Net force?0 net torque=0
1 BTU
36.
Distance traveled
Wavelength
pressure at depth h
Thermal radiation
37. 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.
Mechanics
First Law of thermodynamics
Acceleration due to gravity on the earth
volume fluid flow rate
38. The heat transfer by electromagnetic waves - thermal light waves
Engine efficiency
Radiation
Wavelength
Torque
39. Fbottom-Ftop=mg=(density x vol) x g
Frequency
variation of pressure with depth
density of lead
Condition for stability
40. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Weight
Convert Celsius to Kelven
Einstein
Voltage
41. If the CG is above the edge - the object will not fall
Convert Fahrenheit to Celsius
Condition for stability
Velocity required for an object to reach height h
Convert Celsius to Kelven
42. An object that is thrown or struck or shot and then travels under the influence of gravity
Velocity required for an object to reach height h
Projectile
order of states of matter stronger to lesser forces between atoms
Kepler
43. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Newton
Engine efficiency
Acceleration
Heat
44. You cant get as much out as you put in
density of aluminum
Engine efficiency cannot be 100%
atmospheric pressure (atm)
Mechanics
45. Speed of light / wavelength
frequency of light
Wavelength
Engine efficiency cannot be 100%
incoming and outgoing flow rate formula
46. Change in velocity / time
pressure at depth h
Acceleration
order of states of matter stronger to lesser forces between atoms
Net force
47. V1 x A1=v2 x A2
incoming and outgoing flow rate formula
Change in internal energy
Second law of thermodynamics
Present velocity
48. It increases
Heat capacity (specific heat)
pressure does what when depth is increased
First Law of thermodynamics
Change in internal energy
49. P(P2-P1)D^4/128Ln n=fluid's viscosity
Einstein
First Law of thermodynamics
Flow through a pipe
Equilibrium
50. Mass x velocity
Acceleration
Momentum
Frequency
ultrasound