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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. Because nothing stops it
definition of Bernoulii's equation
Why does something move?
infrasound
Time for an object thrown to reach maximum height
2. Force x lever arm
Engine efficiency
Internal energy
atmospheric pressure (atm)
Torque
3. 1.25 kg/m^3
Heat
density of air
variation of pressure with depth
Torque
4. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
mechanical wave
incoming and outgoing flow rate formula
Total momentum before collision
Heat capacity (specific heat)
5. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Radiation
Brahe
Center of gravity (CG)
1 BTU
6. T=2p square root m/k frequency= square root k/m;/2p
Conservation of energy
restoring force
Acceleration due to gravity on the earth
period p of a mass m oscillating on a horizontal spring of force constant k
7. T^4
Thermal radiation
frequency of light
bernoulli's equation
Internal energy
8. C/n
Center of gravity (CG)
Heat capacity (specific heat)
velocity through a medium
Net force
9. Time= the square root of 2 x height / acceleration due to gravity
Time for an object thrown to reach maximum height
Thermal conductivity
law of conservation of energy
volume fluid flow rate
10. Work done / heat in
Frequency
Engine efficiency
Convection
velocity through a medium
11. How much torque it takes to get an object rotating
Convert Celsius to Kelven
wave
density of water
Rotational inertia (moment of inertia)
12. As the speed of a moving fluid increases - the pressure within the fluid decreases
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13. Pressure x area
Convert Celsius to Fahrenheit
Wave speed=
Fluid force
density of water
14. 1 / period (time)
Frequency
density of air
continuity
Conduction
15. P + density x g h
frequency of light
Projectile
Convert Celsius to Kelven
pressure at depth h
16. Maximum displacement from equilibrium
amplitude
when ice in water melts what happens?
The US uses how much of the total world energy consumption?
measure of density
17. A disturbance that propagates through a medium
mechanical wave
ultrasound
1 BTU
Newton's Second Law
18. 2 -700 kg/m^3
density of aluminum
Center of gravity (CG)
velocity through a medium
Rotational inertia (moment of inertia)
19. P(P2-P1)D^4/128Ln n=fluid's viscosity
1 BTU
Net force=0 net torque?0
Flow through a pipe
Speed of light
20. Rod with forces applied at opposite ends in opposite directions
Speed of light
Aristotle
Net force=0 net torque?0
Distance traveled
21. Rod with forces applied at opposite ends in opposite directions
Period
Conduction
Momentum
Net force=0 net torque?0
22. The study of heat and its transformation into mechanical energy
Conduction
mechanical wave
Thermodynamics
Photon energy
23. Speed of light / wavelength
Convert Celsius to Kelven
measure of density
amplitude
frequency of light
24. Heat is carried from place to place by the bulk movement of either liquids or gasses
density of air
period p of a mass m oscillating on a horizontal spring of force constant k
Stable structures
Convection
25. Sounds below 30 Hz
Wavelength
Second law of thermodynamics
infrasound
Rotational inertia (moment of inertia)
26. T=2p square root m/k frequency= square root k/m;/2p
volume fluid flow rate
period p of a mass m oscillating on a horizontal spring of force constant k
Newton
Speed of light
27. Voltage / current
Rotational inertia (moment of inertia)
Resistance
pressure does what when depth is increased
The US uses how much of the total world energy consumption?
28. Mass x velocity
density of air
Brahe
Momentum
Thermal conductivity
29. Current x resistance
Voltage
mechanical wave
volume fluid flow rate formula
restoring force
30. Fbottom-Ftop=mg=(density x vol) x g
Net force?0 net torque=0
Net force=0 net torque?0
density of water
variation of pressure with depth
31. Rod with forces applied at opposite ends in the same direction
Net force?0 net torque=0
Present velocity
the pressure of liquids _____ when it goes faster
Change in internal energy
32. T(C) +273
First Law of thermodynamics
Convert Celsius to Kelven
Second law of thermodynamics
Projectile
33. Fbottom=Ftop+mg where mg is the weight of the volume
Rotational inertia (moment of inertia)
Thermal conductivity
mechanical wave
static fluid formula
34. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Brahe
c=3x10^8 m/s
Torque
Speed of light
35. 2p x square root L/g
Voltage
c=3x10^8 m/s
Why does something move?
period of a pendulum T of length L
36. P x u x A
variation of pressure with depth
mass flow rate formula
Acceleration
Energy of motion (kinetic energy)
37. The center of an object
Power (watts)
Center of gravity (CG)
1 BTU
measurement of pressure
38. 2p x square root L/g
Change in internal energy
Center of gravity (CG)
period of a pendulum T of length L
continuity
39. Maximum displacement from equilibrium
bernoulli's equation
amplitude
Acceleration
Convert Fahrenheit to Celsius
40. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
volume fluid flow rate formula
period of a pendulum T of length L
static fluid formula
Convert Celsius to Kelven
41. Equals total momentum after collision
atmospheric pressure (atm)
Total momentum before collision
static fluid formula
Centripedal acceleration=
42. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Energy of motion (kinetic energy)
Einstein
Why does something move?
density of aluminum
43. It increases
density of lead
pressure does what when depth is increased
Galileo
entropy
44. How much torque it takes to get an object rotating
bernoulli's equation
Kepler
Rotational inertia (moment of inertia)
mass flow rate formula
45. The total force (positive and negative) acting upon an object
Net force
Net force=0 net torque?0
Convection
Rotational inertia (moment of inertia)
46. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
Wave speed=
frequency of light
Why does something move?
volume fluid flow rate
47. 18600 miles/sec
First Law of thermodynamics
Newton's Second Law
Speed of light
Voltage
48. You cant get as much out as you put in
Engine efficiency cannot be 100%
Acceleration due to gravity on the earth
Heat
Conduction
49. 25%
period of a pendulum T of length L
measurement of pressure
Heat
The US uses how much of the total world energy consumption?
50. If the CG is above the edge - the object will not fall
Rotational inertia (moment of inertia)
variation of pressure with depth
Condition for stability
Conduction