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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. T=2p square root m/k frequency= square root k/m;/2p
period p of a mass m oscillating on a horizontal spring of force constant k
Period
static fluid formula
Change in internal energy
2. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
restoring force
The US uses how much of the total world energy consumption?
Einstein
Why does something move?
3. How much torque it takes to get an object rotating
The US uses how much of the total world energy consumption?
Rotational inertia (moment of inertia)
Net force
volume fluid flow rate formula
4. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
Heat capacity (specific heat)
Wave speed=
static fluid formula
Kepler
5. Decreases
Heat capacity (specific heat)
Power (watts)
Thermal conductivity
the pressure of liquids _____ when it goes faster
6. Heat Q= mass of sample x specific heat x temp change
Voltage
Fluid force
Heat capacity equation
Newton
7. Maximum displacement from equilibrium
Fluid force
Second law of thermodynamics
Time for an object thrown to reach maximum height
amplitude
8. Sounds below 30 Hz
azX
Stable structures
Voltage
infrasound
9. The change in internal energy= the heat absorbed- the work done
the pressure of liquids _____ when it goes faster
density of water
velocity through a medium
law of conservation of energy
10. Change in velocity / time
Acceleration
Condition for stability
Net force=0 net torque?0
Quantum mechanics
11. Mass x velocity
Rotational inertia (moment of inertia)
Momentum
Convection
Einstein
12. P x u x A
ultrasound
Net force?0 net torque=0
Why does something move?
mass flow rate formula
13. Hf
First Law of thermodynamics
Present velocity
Photon energy
density of air
14. 100 -000 n/m^2
definition of Bernoulii's equation
incoming and outgoing flow rate formula
atmospheric pressure (atm)
Net force
15. Solids - liquids - gases
order of states of matter stronger to lesser forces between atoms
Aristotle
Physics
Second law of thermodynamics
16. 9/5T(C)+32
measure of density
Centripedal acceleration=
Convert Celsius to Fahrenheit
azX
17. Rod with forces applied at opposite ends in opposite directions
Net force=0 net torque?0
Conservation of energy
Acceleration
Pressure=
18. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Acceleration due to gravity on the earth
Acceleration
Present velocity
volume fluid flow rate formula
19. Fbottom=Ftop+mg where mg is the weight of the volume
velocity through a medium
Condition for stability
Internal energy
static fluid formula
20. Change in velocity / time
period of a pendulum T of length L
bernoulli's equation
Frequency
Acceleration
21. The force that brings a system back to equilibrium
frequency of light
Net force
order of states of matter stronger to lesser forces between atoms
restoring force
22. The change in internal energy= the heat absorbed- the work done
Aristotle
law of conservation of energy
atmospheric pressure (atm)
Momentum
23. Not easy to knock over
Thermal radiation
Stable
period of a pendulum T of length L
Projectile
24. 25%
c=3x10^8 m/s
Einstein
Physics
The US uses how much of the total world energy consumption?
25. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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26. 1 -000 kg/m^3
Projectile
Engine efficiency
Weight
density of water
27. Current x resistance
Engine efficiency
the pressure of liquids _____ when it goes faster
Mechanics
Voltage
28. It increases
Present velocity
Flow through a pipe
pressure does what when depth is increased
Pressure=
29. Are wider at the base (which lowers their center of gravity)
Stable structures
c=3x10^8 m/s
entropy
Pressure=
30. T=2p square root m/k frequency= square root k/m;/2p
volume fluid flow rate formula
Net force=0 net torque?0
period p of a mass m oscillating on a horizontal spring of force constant k
Galileo
31. 1.25 kg/m^3
density of air
incoming and outgoing flow rate formula
viscosity
mass flow rate formula
32. Velocity squared / radius
Centripedal acceleration=
Einstein
velocity through a medium
density of lead
33. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
measurement of pressure
Pressure=
Second law of thermodynamics
Why does something move?
34. P + density x g h
pressure at depth h
Newton
Net force?0 net torque=0
volume fluid flow rate
35. Force x lever arm
Rotational inertia (moment of inertia)
Torque
Quantum mechanics
volume fluid flow rate
36. You cant get as much out as you put in
Engine efficiency cannot be 100%
density of air
pressure does what when depth is increased
Buoyant force
37. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
density of aluminum
volume fluid flow rate
volume fluid flow rate formula
Radiation
38. Net force=0 net torque=0
c=3x10^8 m/s
Rotational inertia (moment of inertia)
frequency of light
Equilibrium
39. P x u x A
Engine efficiency cannot be 100%
Wave speed=
mass flow rate formula
measure of density
40. Current x voltage energy/time (joules per second)
Power (watts)
Kepler
velocity through a medium
Heat
41. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Einstein
Net force?0 net torque=0
Thermal radiation
Flow through a pipe
42. A tendency for liquids to resist flowing.
viscosity
Kepler
Emissive
Weight
43. The center of an object
pressure does what when depth is increased
Wavelength
Center of gravity (CG)
wave
44. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
pressure does what when depth is increased
law of conservation of energy
Kepler
Thermodynamics
45. Z+n
Heat
period p of a mass m oscillating on a horizontal spring of force constant k
azX
volume fluid flow rate formula
46. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Projectile
Newton's Second Law
Brahe
definition of Bernoulii's equation
47. If the CG is above the edge - the object will not fall
Condition for stability
restoring force
Photon energy
Convert Celsius to Fahrenheit
48. Heat into system - work done by system
Resistance
Momentum
Net force
Change in internal energy
49. Force per unit area
Pressure=
Total momentum before collision
Stable structures
wavelength
50. T(C) +273
Convert Celsius to Kelven
mechanical wave
variation of pressure with depth
wavelength