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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.
Aristotle
Torque
Einstein
Quantum mechanics
2. Heat is transferred directly through a material with no bulk movement of material
Kepler
atmospheric pressure (atm)
Conduction
Period
3. Pascal (Pa) or pounds per square inch (psi)
measurement of pressure
Voltage
Newton
velocity through a medium
4. A disturbance that moves through something
Velocity=
wave
entropy
wavelength
5. Z+n
Power (watts)
frequency of light
Velocity required for an object to reach height h
azX
6. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Period
Radiation
Convection
Kepler
7. It increases
pressure depends on
Conduction
Convert Celsius to Kelven
pressure does what when depth is increased
8. Force x lever arm
Torque
restoring force
volume fluid flow rate
variation of pressure with depth
9. Why things move
infrasound
atmospheric pressure (atm)
Mechanics
Present velocity
10. Work done / heat in
Engine efficiency
Aristotle
Resistance
Condition for stability
11. C/n
Equilibrium
velocity through a medium
Internal energy
when ice in water melts what happens?
12. Fbottom-Ftop=mg=(density x vol) x g
variation of pressure with depth
frequency of light
mechanical wave
Newton's Second Law
13. Mass x gravity
continuity
Acceleration due to gravity on the earth
Wave speed=
Weight
14. Rod with forces applied at opposite ends in opposite directions
Net force
Mechanics
static fluid formula
Net force=0 net torque?0
15. Voltage / current
Resistance
incoming and outgoing flow rate formula
Velocity required for an object to reach height h
Equilibrium
16. The change in internal energy= the heat absorbed- the work done
Net force
Wavelength
law of conservation of energy
Net force?0 net torque=0
17. The total disorder of an object
Radiation
infrasound
density of air
entropy
18. Work done / heat in
Rotational inertia (moment of inertia)
Newton
Engine efficiency
Radiation
19. 9/5T(C)+32
infrasound
Convert Celsius to Fahrenheit
Fluid force
Engine efficiency
20. C/n
incoming and outgoing flow rate formula
when ice in water melts what happens?
measure of density
velocity through a medium
21. 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.
First Law of thermodynamics
volume fluid flow rate
Physics
Acceleration due to gravity on the earth
22. The change in internal energy= the heat absorbed- the work done
mass flow rate formula
restoring force
law of conservation of energy
Newton
23. Fbottom=Ftop+mg where mg is the weight of the volume
static fluid formula
definition of Bernoulii's equation
Velocity=
Wavelength
24. 5/9 [T(F)-32]
definition of Bernoulii's equation
incoming and outgoing flow rate formula
Convert Fahrenheit to Celsius
Thermal conductivity
25. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Buoyant force
1 BTU
density of air
Wavelength
26. 25%
measure of density
The US uses how much of the total world energy consumption?
infrasound
Time for an object thrown to reach maximum height
27. 10 m/s^2
Torque
c=3x10^8 m/s
Acceleration due to gravity on the earth
Distance traveled
28. Fbottom=Ftop+mg where mg is the weight of the volume
Stable structures
Wave speed=
Convert Celsius to Kelven
static fluid formula
29. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Thermal radiation
Buoyant force
azX
bernoulli's equation
30. Time required to complete one cycle
density of water
Period
variation of pressure with depth
the pressure of liquids _____ when it goes faster
31. A disturbance that moves through something
Period
Conduction
wave
Rotational inertia (moment of inertia)
32. T(C) +273
Convection
Weight
mechanical wave
Convert Celsius to Kelven
33. The total force (positive and negative) acting upon an object
Acceleration
Net force
Why does something move?
Thermodynamics
34. Speed of light / wavelength
frequency of light
amplitude
Stable
period of a pendulum T of length L
35. 100 -000 n/m^2
Voltage
atmospheric pressure (atm)
Convection
Kepler
36. The study of heat and its transformation into mechanical energy
Thermodynamics
c=3x10^8 m/s
density of water
Heat
37. C / f
Aristotle
Wavelength
volume fluid flow rate
Torque
38. The force that brings a system back to equilibrium
Rotational inertia (moment of inertia)
azX
Thermodynamics
restoring force
39. As the speed of a moving fluid increases - the pressure within the fluid decreases
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40. The level stays the same
velocity through a medium
when ice in water melts what happens?
Fluid force
Thermodynamics
41. 2p x square root L/g
Radiation
Condition for stability
c=3x10^8 m/s
period of a pendulum T of length L
42. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Physics
Brahe
Second law of thermodynamics
Newton
43. You can't get more work out than the energy you put in
Newton's Second Law
Thermodynamics
Conservation of energy
period of a pendulum T of length L
44. T^4
Wavelength
Pressure=
Thermal radiation
amplitude
45. P + density x g h
Condition for stability
pressure at depth h
Net force=0 net torque?0
Flow through a pipe
46. Sounds above 20 -000 Hz
incoming and outgoing flow rate formula
Mechanics
Emissive
ultrasound
47. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Brahe
Flow through a pipe
Center of gravity (CG)
mechanical wave
48. How much torque it takes to get an object rotating
law of conservation of energy
Torque
Engine efficiency cannot be 100%
Rotational inertia (moment of inertia)
49. Time required to complete one cycle
Emissive
Period
Speed of light
1 BTU
50. Number density x temperature
pressure depends on
Photon energy
c=3x10^8 m/s
Newton's Second Law