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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. 5/9 [T(F)-32]
density of lead
mechanical wave
Convert Fahrenheit to Celsius
Weight
2. Decreases
definition of Bernoulii's equation
the pressure of liquids _____ when it goes faster
Convert Celsius to Fahrenheit
Convert Celsius to Kelven
3. P + density x g h
The US uses how much of the total world energy consumption?
continuity
pressure at depth h
Convert Celsius to Fahrenheit
4. If the CG is above the edge - the object will not fall
Condition for stability
1 BTU
static fluid formula
Conservation of energy
5. Pascal (Pa) or pounds per square inch (psi)
measurement of pressure
when ice in water melts what happens?
the pressure of liquids _____ when it goes faster
Internal energy
6. The total disorder of an object
definition of Bernoulii's equation
entropy
ultrasound
Torque
7. Number density x temperature
Net force
pressure depends on
Why does something move?
when ice in water melts what happens?
8. 1 -000 kg/m^3
Center of gravity (CG)
Acceleration due to gravity on the earth
density of water
Wavelength
9. Force x lever arm
density of air
Torque
entropy
Why does something move?
10. Change in velocity / time
volume fluid flow rate
Acceleration
Newton
density of lead
11. 1 / period (time)
Voltage
Frequency
Fluid force
ultrasound
12. The combination of force and point of application
Torque
Distance traveled
continuity
entropy
13. Current x voltage energy/time (joules per second)
period p of a mass m oscillating on a horizontal spring of force constant k
Aristotle
Power (watts)
measure of density
14. Speed of light / wavelength
Acceleration
frequency of light
density of lead
Quantum mechanics
15. 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
Brahe
Thermodynamics
Thermal radiation
16. Pascal (Pa) or pounds per square inch (psi)
wave
Velocity required for an object to reach height h
Velocity required for an object to reach height h
measurement of pressure
17. T(C) +273
azX
Convert Celsius to Kelven
the pressure of liquids _____ when it goes faster
Convection
18. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Engine efficiency
Einstein
density of water
Speed of light
19. 2 -700 kg/m^3
Convert Celsius to Fahrenheit
density of aluminum
wavelength
Torque
20. ?
c=3x10^8 m/s
measurement of pressure
Newton
Engine efficiency
21. C/n
Present velocity
velocity through a medium
Heat capacity (specific heat)
Net force=0 net torque?0
22. 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
Weight
definition of Bernoulii's equation
atmospheric pressure (atm)
23. Pressure x area
Heat capacity (specific heat)
Velocity=
Fluid force
Torque
24. A tendency for liquids to resist flowing.
viscosity
volume fluid flow rate
Mechanics
azX
25. New theory that explained behavior at the atomic level
Convert Fahrenheit to Celsius
Quantum mechanics
when ice in water melts what happens?
Radiation
26. Velocity squared / radius
pressure depends on
Why does something move?
Buoyant force
Centripedal acceleration=
27. Equals total momentum after collision
Stable
Total momentum before collision
Engine efficiency cannot be 100%
amplitude
28. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
volume fluid flow rate formula
Convert Celsius to Kelven
Stable structures
Center of gravity (CG)
29. Force x lever arm
static fluid formula
definition of Bernoulii's equation
Torque
Frequency
30. Because nothing stops it
density of aluminum
atmospheric pressure (atm)
Why does something move?
Brahe
31. A disturbance that propagates through a medium
mechanical wave
frequency of light
Energy of motion (kinetic energy)
pressure at depth h
32. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
Stable structures
Convection
volume fluid flow rate
Newton
33. Rod with forces applied at opposite ends in opposite directions
wave
Net force=0 net torque?0
incoming and outgoing flow rate formula
frequency of light
34. 1.25 kg/m^3
Torque
density of air
Convert Celsius to Fahrenheit
Internal energy
35. Z+n
Why does something move?
Total momentum before collision
frequency of light
azX
36. Heat into system - work done by system
pressure depends on
Change in internal energy
Wavelength
Quantum mechanics
37. Rod with forces applied at opposite ends in opposite directions
pressure at depth h
Aristotle
Net force=0 net torque?0
ultrasound
38. 11 -000 kg/m^3
Conservation of energy
wave
Period
density of lead
39. Number density x temperature
velocity through a medium
Convert Celsius to Fahrenheit
Thermodynamics
pressure depends on
40. Initial velocity= the square root of 2gh
Velocity required for an object to reach height h
Torque
c=3x10^8 m/s
Power (watts)
41. As the speed of a moving fluid increases - the pressure within the fluid decreases
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42. Distance traveled / time
Convection
Newton's Second Law
Engine efficiency
Velocity=
43. Wavelength x frequency
Newton
Torque
infrasound
Wave speed=
44. 1 -000 kg/m^3
Stable structures
Net force=0 net torque?0
density of water
Projectile
45. 2p x square root L/g
density of lead
period of a pendulum T of length L
volume fluid flow rate
Net force
46. Initial velocity = acceleration x time
Conduction
Torque
Heat capacity (specific heat)
Present velocity
47. Sounds above 20 -000 Hz
the pressure of liquids _____ when it goes faster
Net force?0 net torque=0
ultrasound
static fluid formula
48. Sounds below 30 Hz
continuity
infrasound
Heat
measure of density
49. The heat needed to raise the temperature of 1 pound of water by 1 degree F
Momentum
Net force
Aristotle
1 BTU
50. T(C) +273
pressure at depth h
Convert Celsius to Kelven
Fluid force
density of lead