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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. Distance traveled / time
Quantum mechanics
Velocity=
velocity through a medium
Thermodynamics
2. 18600 miles/sec
volume fluid flow rate formula
variation of pressure with depth
Speed of light
pressure does what when depth is increased
3. Solids - liquids - gases
Thermal conductivity
order of states of matter stronger to lesser forces between atoms
the pressure of liquids _____ when it goes faster
Centripedal acceleration=
4. C/n
velocity through a medium
Center of gravity (CG)
density of aluminum
Pressure=
5. V x A= constant
restoring force
continuity
Buoyant force
Internal energy
6. 2p x square root L/g
Condition for stability
Convection
period of a pendulum T of length L
Newton
7. 9/5T(C)+32
density of water
restoring force
Convert Celsius to Fahrenheit
static fluid formula
8. New theory that explained behavior at the atomic level
Internal energy
Quantum mechanics
Internal energy
Fluid force
9. Work done / heat in
Centripedal acceleration=
Convert Celsius to Fahrenheit
measurement of pressure
Engine efficiency
10. 1 -000 kg/m^3
wave
density of water
Power (watts)
incoming and outgoing flow rate formula
11. Rod with forces applied at opposite ends in opposite directions
amplitude
Net force=0 net torque?0
Wave speed=
Quantum mechanics
12. T=2p square root m/k frequency= square root k/m;/2p
Galileo
period p of a mass m oscillating on a horizontal spring of force constant k
viscosity
density of air
13. New theory that explained behavior at the atomic level
Quantum mechanics
Brahe
Energy of motion (kinetic energy)
c=3x10^8 m/s
14. Time= the square root of 2 x height / acceleration due to gravity
Equilibrium
Convert Fahrenheit to Celsius
Time for an object thrown to reach maximum height
Resistance
15. The total force (positive and negative) acting upon an object
Net force
order of states of matter stronger to lesser forces between atoms
Quantum mechanics
volume fluid flow rate
16. 25%
definition of Bernoulii's equation
Convert Fahrenheit to Celsius
incoming and outgoing flow rate formula
The US uses how much of the total world energy consumption?
17. 11 -000 kg/m^3
density of lead
volume fluid flow rate formula
Present velocity
Acceleration
18. Current x voltage energy/time (joules per second)
Power (watts)
Acceleration
infrasound
Center of gravity (CG)
19. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Wave speed=
c=3x10^8 m/s
Convert Celsius to Kelven
volume fluid flow rate formula
20. 100 -000 n/m^2
infrasound
Acceleration due to gravity on the earth
atmospheric pressure (atm)
Flow through a pipe
21. A disturbance that propagates through a medium
Speed of light
density of lead
Newton
mechanical wave
22. T^4
Thermal radiation
Voltage
Heat
Galileo
23. A disturbance that propagates through a medium
Velocity required for an object to reach height h
Kepler
Energy of motion (kinetic energy)
mechanical wave
24. Hf
when ice in water melts what happens?
frequency of light
Photon energy
Thermodynamics
25. Current x resistance
the pressure of liquids _____ when it goes faster
1 BTU
Voltage
atmospheric pressure (atm)
26. Heat Q= mass of sample x specific heat x temp change
Engine efficiency cannot be 100%
Convert Celsius to Kelven
Thermodynamics
Heat capacity equation
27. Heat into system - work done by system
frequency of light
when ice in water melts what happens?
Change in internal energy
Present velocity
28. Time required to complete one cycle
Period
bernoulli's equation
Galileo
Thermal radiation
29. Mass x velocity
amplitude
Momentum
Present velocity
measurement of pressure
30. Are wider at the base (which lowers their center of gravity)
when ice in water melts what happens?
the pressure of liquids _____ when it goes faster
Stable structures
Torque
31.
Stable
bernoulli's equation
Energy of motion (kinetic energy)
amplitude
32. Not easy to knock over
Stable
Heat
Buoyant force
azX
33. Sounds above 20 -000 Hz
Heat capacity equation
ultrasound
viscosity
Convert Celsius to Fahrenheit
34. Kg/m^3
Physics
the pressure of liquids _____ when it goes faster
measure of density
Time for an object thrown to reach maximum height
35. The efficiency with which an object emits thermal radiation. Is a number between 0 and 1. A good emitter has an e close to 1.
Period
Change in internal energy
Emissive
Galileo
36. How much torque it takes to get an object rotating
Rotational inertia (moment of inertia)
pressure does what when depth is increased
Emissive
Conduction
37. Because nothing stops it
continuity
Why does something move?
c=3x10^8 m/s
Internal energy
38. 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.
Pressure=
continuity
wavelength
First Law of thermodynamics
39. Z+n
Center of gravity (CG)
Velocity=
Aristotle
azX
40. 1 -000 kg/m^3
measure of density
continuity
Resistance
density of water
41. Sounds above 20 -000 Hz
Equilibrium
Net force?0 net torque=0
Stable structures
ultrasound
42. The heat transfer by electromagnetic waves - thermal light waves
Energy of motion (kinetic energy)
Radiation
Weight
Conservation of energy
43. Voltage / current
Thermal radiation
Fluid force
Resistance
First Law of thermodynamics
44. Maximum displacement from equilibrium
The US uses how much of the total world energy consumption?
Heat
amplitude
Conduction
45. 25%
Acceleration
The US uses how much of the total world energy consumption?
Power (watts)
Momentum
46. T(C) +273
Convert Celsius to Kelven
mass flow rate formula
Aristotle
Condition for stability
47.
Distance traveled
First Law of thermodynamics
Change in internal energy
Heat capacity equation
48. It increases
pressure does what when depth is increased
restoring force
period p of a mass m oscillating on a horizontal spring of force constant k
Net force?0 net torque=0
49. 18600 miles/sec
variation of pressure with depth
Momentum
Speed of light
bernoulli's equation
50. Z+n
azX
Stable structures
Net force
frequency of light