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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. The center of an object
volume fluid flow rate
Stable
Thermal conductivity
Center of gravity (CG)
2. Current x resistance
Voltage
Engine efficiency cannot be 100%
Thermal radiation
continuity
3. Believed that the natural state of objects was to be at rest
Einstein
volume fluid flow rate formula
Aristotle
Photon energy
4. Because nothing stops it
Distance traveled
Why does something move?
Flow through a pipe
Thermal radiation
5. T(C) +273
Center of gravity (CG)
Net force?0 net torque=0
Convert Celsius to Kelven
Condition for stability
6. T=2p square root m/k frequency= square root k/m;/2p
ultrasound
pressure does what when depth is increased
Thermal radiation
period p of a mass m oscillating on a horizontal spring of force constant k
7. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
volume fluid flow rate
Heat
pressure depends on
Einstein
8. Heat is transferred directly through a material with no bulk movement of material
incoming and outgoing flow rate formula
Net force=0 net torque?0
Conduction
velocity through a medium
9. Mass x gravity
Condition for stability
Radiation
Weight
Galileo
10. Wavelength x frequency
Weight
Engine efficiency cannot be 100%
Wave speed=
Photon energy
11. The study of heat and its transformation into mechanical energy
Mechanics
Heat
law of conservation of energy
Thermodynamics
12. Because nothing stops it
order of states of matter stronger to lesser forces between atoms
Radiation
variation of pressure with depth
Why does something move?
13. Time= the square root of 2 x height / acceleration due to gravity
Frequency
Time for an object thrown to reach maximum height
Mechanics
Pressure=
14. Solids - liquids - gases
Internal energy
order of states of matter stronger to lesser forces between atoms
Heat
Heat capacity (specific heat)
15. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
volume fluid flow rate formula
mechanical wave
Heat
mechanical wave
16. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
amplitude
1 BTU
Brahe
Emissive
17. Force x lever arm
Emissive
Velocity=
Momentum
Torque
18. Heat Q= mass of sample x specific heat x temp change
mass flow rate formula
pressure at depth h
restoring force
Heat capacity equation
19. ?
c=3x10^8 m/s
Heat capacity equation
pressure at depth h
Torque
20. The sum of the energy of all the molecules in the system
Fluid force
Internal energy
Convert Celsius to Kelven
Brahe
21. Change in velocity / time
Energy of motion (kinetic energy)
Centripedal acceleration=
Torque
Acceleration
22. Weight of displaced water=volume of displaced water in liters x 10 n / liter
pressure at depth h
infrasound
Weight
Buoyant force
23. C/n
Power (watts)
velocity through a medium
Engine efficiency cannot be 100%
Weight
24. 10 m/s^2
Resistance
volume fluid flow rate formula
Velocity required for an object to reach height h
Acceleration due to gravity on the earth
25. Rod with forces applied at opposite ends in opposite directions
static fluid formula
static fluid formula
Net force=0 net torque?0
Thermal radiation
26. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Newton
Fluid force
Net force?0 net torque=0
ultrasound
27. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
incoming and outgoing flow rate formula
Wavelength
when ice in water melts what happens?
volume fluid flow rate formula
28. An object that is thrown or struck or shot and then travels under the influence of gravity
Wavelength
ultrasound
Projectile
Thermal radiation
29. Heat is carried from place to place by the bulk movement of either liquids or gasses
Convert Celsius to Fahrenheit
The US uses how much of the total world energy consumption?
law of conservation of energy
Convection
30. The change in internal energy= the heat absorbed- the work done
Buoyant force
mechanical wave
measurement of pressure
law of conservation of energy
31. 5/9 [T(F)-32]
Convert Fahrenheit to Celsius
Total momentum before collision
azX
period p of a mass m oscillating on a horizontal spring of force constant k
32. Heat is transferred directly through a material with no bulk movement of material
Velocity required for an object to reach height h
Conduction
velocity through a medium
Heat
33. Z+n
frequency of light
Newton's Second Law
azX
measurement of pressure
34. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Mechanics
pressure at depth h
Brahe
measurement of pressure
35. Fbottom-Ftop=mg=(density x vol) x g
Newton's Second Law
variation of pressure with depth
Centripedal acceleration=
the pressure of liquids _____ when it goes faster
36. Maximum displacement from equilibrium
amplitude
density of lead
Newton's Second Law
mechanical wave
37. P x u x A
mass flow rate formula
Why does something move?
Buoyant force
atmospheric pressure (atm)
38. Force x lever arm
volume fluid flow rate
Torque
Voltage
Newton
39. 25%
Period
The US uses how much of the total world energy consumption?
Quantum mechanics
Acceleration due to gravity on the earth
40. Fbottom=Ftop+mg where mg is the weight of the volume
static fluid formula
Brahe
Voltage
azX
41. Hf
Photon energy
c=3x10^8 m/s
wavelength
Distance traveled
42. The study of heat and its transformation into mechanical energy
infrasound
viscosity
Thermodynamics
Velocity=
43. Net force=0 net torque=0
density of air
Internal energy
Equilibrium
definition of Bernoulii's equation
44. A disturbance that moves through something
Acceleration
density of air
viscosity
wave
45. It increases
Flow through a pipe
static fluid formula
pressure does what when depth is increased
Einstein
46. The total disorder of an object
Newton's Second Law
mechanical wave
entropy
Stable structures
47. Length of a wave
the pressure of liquids _____ when it goes faster
period of a pendulum T of length L
wavelength
continuity
48. The heat transfer by electromagnetic waves - thermal light waves
Radiation
order of states of matter stronger to lesser forces between atoms
infrasound
volume fluid flow rate
49. Maximum displacement from equilibrium
Heat capacity (specific heat)
Equilibrium
Rotational inertia (moment of inertia)
amplitude
50. You cant get as much out as you put in
Engine efficiency
Engine efficiency cannot be 100%
Newton
Heat