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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 heat needed to raise the temperature of 1 pound of water by 1 degree F
measure of density
1 BTU
c=3x10^8 m/s
the pressure of liquids _____ when it goes faster
2. Number density x temperature
pressure depends on
Energy of motion (kinetic energy)
Fluid force
Heat capacity (specific heat)
3. Voltage / current
Speed of light
Resistance
period p of a mass m oscillating on a horizontal spring of force constant k
Weight
4. 1 / period (time)
Newton
Speed of light
incoming and outgoing flow rate formula
Frequency
5. Pressure x area
Fluid force
the pressure of liquids _____ when it goes faster
Convert Celsius to Kelven
pressure depends on
6. 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.
Convert Celsius to Kelven
Flow through a pipe
amplitude
Emissive
7. 9/5T(C)+32
Convert Celsius to Fahrenheit
velocity through a medium
Newton
Resistance
8. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Kepler
ultrasound
pressure does what when depth is increased
Wave speed=
9. The sum of the energy of all the molecules in the system
Torque
Equilibrium
wavelength
Internal energy
10. V1 x A1=v2 x A2
period p of a mass m oscillating on a horizontal spring of force constant k
amplitude
period of a pendulum T of length L
incoming and outgoing flow rate formula
11. P x u x A
measure of density
amplitude
mass flow rate formula
Torque
12. Current x voltage energy/time (joules per second)
Velocity=
Thermal conductivity
Power (watts)
Aristotle
13. Heat Q= mass of sample x specific heat x temp change
Wave speed=
measurement of pressure
Convert Celsius to Kelven
Heat capacity equation
14. The sum of the energy of all the molecules in the system
Convert Celsius to Kelven
Thermal conductivity
Condition for stability
Internal energy
15. Fbottom-Ftop=mg=(density x vol) x g
Mechanics
variation of pressure with depth
Flow through a pipe
Speed of light
16. 2p x square root L/g
Conduction
Rotational inertia (moment of inertia)
period of a pendulum T of length L
Galileo
17. C/n
definition of Bernoulii's equation
Second law of thermodynamics
Physics
velocity through a medium
18. P + density x g h
Thermal conductivity
Frequency
measurement of pressure
pressure at depth h
19. Hf
Net force
Photon energy
Kepler
Torque
20. 5/9 [T(F)-32]
definition of Bernoulii's equation
Convert Fahrenheit to Celsius
mechanical wave
volume fluid flow rate
21. Are wider at the base (which lowers their center of gravity)
Stable structures
Thermal radiation
Wave speed=
Period
22. Equals total momentum after collision
Period
Speed of light
Photon energy
Total momentum before collision
23. Time= the square root of 2 x height / acceleration due to gravity
Newton
entropy
Projectile
Time for an object thrown to reach maximum height
24. The center of an object
variation of pressure with depth
Flow through a pipe
Center of gravity (CG)
period of a pendulum T of length L
25. Sounds above 20 -000 Hz
ultrasound
mechanical wave
Second law of thermodynamics
Why does something move?
26. The total force (positive and negative) acting upon an object
Net force
Voltage
Speed of light
Centripedal acceleration=
27. It increases
pressure does what when depth is increased
entropy
amplitude
Einstein
28. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Buoyant force
density of air
Distance traveled
Weight
29. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Rotational inertia (moment of inertia)
Thermal conductivity
Power (watts)
Einstein
30. The combination of force and point of application
Heat
Photon energy
Torque
density of water
31. Time= the square root of 2 x height / acceleration due to gravity
Time for an object thrown to reach maximum height
Convert Celsius to Fahrenheit
Net force=0 net torque?0
Acceleration due to gravity on the earth
32. Heat is transferred directly through a material with no bulk movement of material
Conduction
Engine efficiency
period of a pendulum T of length L
Flow through a pipe
33. Z+n
pressure depends on
azX
pressure at depth h
definition of Bernoulii's equation
34. The effectiveness of a material in conducting heat
Quantum mechanics
Stable structures
Galileo
Thermal conductivity
35. Heat into system - work done by system
Change in internal energy
Wave speed=
Weight
Convert Fahrenheit to Celsius
36. Maximum displacement from equilibrium
Power (watts)
Net force
amplitude
period p of a mass m oscillating on a horizontal spring of force constant k
37. 9/5T(C)+32
Convert Celsius to Fahrenheit
Net force=0 net torque?0
period p of a mass m oscillating on a horizontal spring of force constant k
azX
38. V x A= constant
Wavelength
continuity
Pressure=
Heat
39. Mass x gravity
First Law of thermodynamics
measurement of pressure
mechanical wave
Weight
40. 10 m/s^2
the pressure of liquids _____ when it goes faster
Acceleration due to gravity on the earth
Newton
Buoyant force
41. Hf
Photon energy
Projectile
pressure depends on
bernoulli's equation
42. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
mass flow rate formula
amplitude
density of lead
volume fluid flow rate formula
43. The combination of force and point of application
Torque
First Law of thermodynamics
Resistance
Quantum mechanics
44. Rod with forces applied at opposite ends in opposite directions
Net force=0 net torque?0
wave
pressure does what when depth is increased
Pressure=
45. As the speed of a moving fluid increases - the pressure within the fluid decreases
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46. Rod with forces applied at opposite ends in the same direction
Time for an object thrown to reach maximum height
period of a pendulum T of length L
Convert Celsius to Fahrenheit
Net force?0 net torque=0
47. 1.25 kg/m^3
the pressure of liquids _____ when it goes faster
density of aluminum
Photon energy
density of air
48. Z+n
frequency of light
azX
Stable structures
entropy
49. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Thermodynamics
Second law of thermodynamics
infrasound
incoming and outgoing flow rate formula
50. Why things move
Mechanics
period p of a mass m oscillating on a horizontal spring of force constant k
Convert Celsius to Fahrenheit
Galileo