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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. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Brahe
Engine efficiency cannot be 100%
Convert Celsius to Fahrenheit
Einstein
2. The force that brings a system back to equilibrium
Heat
Voltage
Net force=0 net torque?0
restoring force
3. 100 -000 n/m^2
Convert Celsius to Kelven
Photon energy
atmospheric pressure (atm)
Convection
4. A disturbance that moves through something
Conservation of energy
Total momentum before collision
wave
Internal energy
5. Current x resistance
Weight
Voltage
velocity through a medium
Wavelength
6. 100 -000 n/m^2
Time for an object thrown to reach maximum height
atmospheric pressure (atm)
Convert Celsius to Kelven
azX
7. 1 / period (time)
Equilibrium
Acceleration
wave
Frequency
8. 25%
Galileo
Power (watts)
The US uses how much of the total world energy consumption?
Mechanics
9. Mass x velocity
Torque
Total momentum before collision
Momentum
Wavelength
10. Solids - liquids - gases
measurement of pressure
Einstein
order of states of matter stronger to lesser forces between atoms
Wavelength
11. New theory that explained behavior at the atomic level
Newton
Quantum mechanics
Equilibrium
Center of gravity (CG)
12. Distance traveled / time
Net force=0 net torque?0
mass flow rate formula
Velocity=
Convert Fahrenheit to Celsius
13. 11 -000 kg/m^3
density of lead
volume fluid flow rate
Projectile
Voltage
14. T(C) +273
Thermal radiation
viscosity
Convert Celsius to Kelven
c=3x10^8 m/s
15. The combination of force and point of application
measure of density
pressure depends on
Torque
Velocity required for an object to reach height h
16. P + density x g h
bernoulli's equation
mechanical wave
incoming and outgoing flow rate formula
pressure at depth h
17. T(C) +273
Centripedal acceleration=
Convert Celsius to Kelven
Internal energy
Convert Celsius to Fahrenheit
18. Fbottom=Ftop+mg where mg is the weight of the volume
mechanical wave
Equilibrium
static fluid formula
Heat capacity (specific heat)
19. Pascal (Pa) or pounds per square inch (psi)
period p of a mass m oscillating on a horizontal spring of force constant k
pressure depends on
period of a pendulum T of length L
measurement of pressure
20. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Einstein
Radiation
restoring force
Convection
21. The heat transfer by electromagnetic waves - thermal light waves
Radiation
Conservation of energy
mass flow rate formula
Wave speed=
22. F=mass x acceleration
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23. Pressure x area
1 BTU
Engine efficiency cannot be 100%
Net force=0 net torque?0
Fluid force
24. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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25. 2p x square root L/g
Rotational inertia (moment of inertia)
velocity through a medium
period of a pendulum T of length L
Speed of light
26. The effectiveness of a material in conducting heat
Brahe
Thermal conductivity
Weight
Frequency
27. How much torque it takes to get an object rotating
Centripedal acceleration=
Rotational inertia (moment of inertia)
Distance traveled
Emissive
28. The efficiency with which an object emits thermal radiation. Is a number between 0 and 1. A good emitter has an e close to 1.
Internal energy
Emissive
The US uses how much of the total world energy consumption?
measure of density
29. Force per unit area
Engine efficiency
density of aluminum
Pressure=
Fluid force
30. Heat is transferred directly through a material with no bulk movement of material
frequency of light
Internal energy
Conduction
Emissive
31. Not easy to knock over
Stable
Convection
Net force
period of a pendulum T of length L
32. Work done / heat in
Einstein
frequency of light
Mechanics
Engine efficiency
33. The change in internal energy= the heat absorbed- the work done
Energy of motion (kinetic energy)
Net force=0 net torque?0
law of conservation of energy
c=3x10^8 m/s
34. P(P2-P1)D^4/128Ln n=fluid's viscosity
Flow through a pipe
Acceleration
volume fluid flow rate
c=3x10^8 m/s
35. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Wavelength
volume fluid flow rate formula
Acceleration due to gravity on the earth
mechanical wave
36. Current x voltage energy/time (joules per second)
static fluid formula
Mechanics
Net force
Power (watts)
37. Weight of displaced water=volume of displaced water in liters x 10 n / liter
period of a pendulum T of length L
Net force=0 net torque?0
Einstein
Buoyant force
38. Mass x gravity
Second law of thermodynamics
Net force?0 net torque=0
Total momentum before collision
Weight
39. Why things move
Convert Celsius to Kelven
The US uses how much of the total world energy consumption?
Projectile
Mechanics
40. The heat transfer by electromagnetic waves - thermal light waves
ultrasound
Radiation
continuity
frequency of light
41. 1.25 kg/m^3
Voltage
density of air
Pressure=
Emissive
42. Initial velocity= the square root of 2gh
Velocity required for an object to reach height h
Convection
Convection
infrasound
43. Heat is carried from place to place by the bulk movement of either liquids or gasses
density of air
Convection
density of air
law of conservation of energy
44. Time= the square root of 2 x height / acceleration due to gravity
Time for an object thrown to reach maximum height
the pressure of liquids _____ when it goes faster
Convert Fahrenheit to Celsius
Speed of light
45. Initial velocity= the square root of 2gh
Velocity required for an object to reach height h
Convert Fahrenheit to Celsius
pressure does what when depth is increased
density of lead
46. Net force=0 net torque=0
c=3x10^8 m/s
infrasound
Flow through a pipe
Equilibrium
47.
viscosity
Photon energy
restoring force
Energy of motion (kinetic energy)
48. Kg/m^3
First Law of thermodynamics
Present velocity
measure of density
Resistance
49. The study of heat and its transformation into mechanical energy
wavelength
Convection
Thermodynamics
Flow through a pipe
50. 18600 miles/sec
Heat capacity (specific heat)
Pressure=
bernoulli's equation
Speed of light