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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. Current x resistance
Internal energy
Voltage
period p of a mass m oscillating on a horizontal spring of force constant k
incoming and outgoing flow rate formula
2. 2 -700 kg/m^3
density of aluminum
Net force
Power (watts)
continuity
3. 1 / period (time)
infrasound
law of conservation of energy
Frequency
Thermal conductivity
4. Equals total momentum after collision
measure of density
Weight
Total momentum before collision
definition of Bernoulii's equation
5. The energy that flows from one system to another because of their temperature difference.
Energy of motion (kinetic energy)
Kepler
the pressure of liquids _____ when it goes faster
Heat
6. Time required to complete one cycle
Condition for stability
Period
Velocity=
Brahe
7. Maximum displacement from equilibrium
Wave speed=
amplitude
Net force=0 net torque?0
1 BTU
8. An object that is thrown or struck or shot and then travels under the influence of gravity
incoming and outgoing flow rate formula
mechanical wave
Internal energy
Projectile
9. Maximum displacement from equilibrium
Brahe
Net force
amplitude
Condition for stability
10. 5/9 [T(F)-32]
Convert Fahrenheit to Celsius
Torque
Emissive
density of lead
11. Not easy to knock over
Stable
Convert Fahrenheit to Celsius
Heat capacity equation
Emissive
12. 1.25 kg/m^3
Present velocity
Period
density of air
Rotational inertia (moment of inertia)
13. It increases
incoming and outgoing flow rate formula
Why does something move?
pressure does what when depth is increased
Physics
14. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
volume fluid flow rate formula
Net force=0 net torque?0
Flow through a pipe
Heat capacity (specific heat)
15. As the speed of a moving fluid increases - the pressure within the fluid decreases
16. The effectiveness of a material in conducting heat
incoming and outgoing flow rate formula
Convert Celsius to Kelven
Thermal conductivity
wavelength
17. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
Projectile
volume fluid flow rate
Galileo
c=3x10^8 m/s
18. The effectiveness of a material in conducting heat
Frequency
Thermal conductivity
Newton's Second Law
mass flow rate formula
19. 2p x square root L/g
c=3x10^8 m/s
Velocity required for an object to reach height h
Convert Celsius to Kelven
period of a pendulum T of length L
20. 10 m/s^2
Acceleration due to gravity on the earth
Weight
First Law of thermodynamics
Galileo
21. Solids - liquids - gases
incoming and outgoing flow rate formula
Brahe
order of states of matter stronger to lesser forces between atoms
Voltage
22. 1 -000 kg/m^3
Net force
Einstein
order of states of matter stronger to lesser forces between atoms
density of water
23. Fbottom=Ftop+mg where mg is the weight of the volume
static fluid formula
Heat
Center of gravity (CG)
definition of Bernoulii's equation
24. Change in velocity / time
Net force=0 net torque?0
Thermal radiation
Thermodynamics
Acceleration
25. Velocity squared / radius
Projectile
Centripedal acceleration=
Heat
Velocity=
26. The combination of force and point of application
Torque
Kepler
when ice in water melts what happens?
Thermal conductivity
27. Pressure x area
Heat
Kepler
Convert Celsius to Fahrenheit
Fluid force
28. T=2p square root m/k frequency= square root k/m;/2p
wavelength
ultrasound
period p of a mass m oscillating on a horizontal spring of force constant k
Time for an object thrown to reach maximum height
29. Current x resistance
definition of Bernoulii's equation
Voltage
when ice in water melts what happens?
Radiation
30. Time required to complete one cycle
Equilibrium
Torque
Galileo
Period
31. 25%
Velocity=
Heat capacity equation
Physics
The US uses how much of the total world energy consumption?
32. 100 -000 n/m^2
Thermal radiation
atmospheric pressure (atm)
Thermal conductivity
measurement of pressure
33. Force x lever arm
Brahe
frequency of light
velocity through a medium
Torque
34. C/n
The US uses how much of the total world energy consumption?
restoring force
wave
velocity through a medium
35. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
1 BTU
Newton
static fluid formula
First Law of thermodynamics
36. Fbottom-Ftop=mg=(density x vol) x g
Wavelength
Period
density of lead
variation of pressure with depth
37. P(P2-P1)D^4/128Ln n=fluid's viscosity
Internal energy
Flow through a pipe
density of lead
Momentum
38. Rod with forces applied at opposite ends in opposite directions
Net force=0 net torque?0
density of air
Convert Fahrenheit to Celsius
Flow through a pipe
39. Heat is carried from place to place by the bulk movement of either liquids or gasses
Acceleration
Convection
Why does something move?
Newton
40. A tendency for liquids to resist flowing.
volume fluid flow rate
Stable structures
bernoulli's equation
viscosity
41. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Torque
Einstein
Brahe
Conservation of energy
42. P x u x A
Thermal conductivity
wave
order of states of matter stronger to lesser forces between atoms
mass flow rate formula
43. The total disorder of an object
Period
entropy
Wave speed=
Voltage
44. Number density x temperature
density of air
Flow through a pipe
Flow through a pipe
pressure depends on
45. Fbottom=Ftop+mg where mg is the weight of the volume
entropy
variation of pressure with depth
Photon energy
static fluid formula
46. 1 / period (time)
Frequency
volume fluid flow rate formula
volume fluid flow rate formula
volume fluid flow rate
47. Current x voltage energy/time (joules per second)
Wave speed=
Thermal conductivity
period p of a mass m oscillating on a horizontal spring of force constant k
Power (watts)
48. F=mass x acceleration
49. A disturbance that moves through something
azX
Stable structures
frequency of light
wave
50. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Buoyant force
Change in internal energy
Thermal radiation
Quantum mechanics