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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 energy that flows from one system to another because of their temperature difference.
volume fluid flow rate formula
Net force
Heat
Convert Celsius to Kelven
2. Kg/m^3
Projectile
density of water
measure of density
density of lead
3. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
Kepler
entropy
Heat capacity (specific heat)
Momentum
4. 10 m/s^2
Photon energy
amplitude
Fluid force
Acceleration due to gravity on the earth
5. It increases
volume fluid flow rate
Brahe
static fluid formula
pressure does what when depth is increased
6. 100 -000 n/m^2
atmospheric pressure (atm)
Thermal radiation
Heat
Power (watts)
7. F=mass x acceleration
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8. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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9. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Pressure=
Second law of thermodynamics
Change in internal energy
Velocity required for an object to reach height h
10. A disturbance that moves through something
mass flow rate formula
density of lead
Power (watts)
wave
11. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Photon energy
Pressure=
density of aluminum
volume fluid flow rate formula
12. Z+n
azX
Photon energy
Heat capacity equation
Change in internal energy
13. Believed that the natural state of objects was to be at rest
Aristotle
Center of gravity (CG)
wavelength
when ice in water melts what happens?
14. Change in velocity / time
Acceleration
volume fluid flow rate
Fluid force
density of water
15. Rod with forces applied at opposite ends in opposite directions
Einstein
when ice in water melts what happens?
Radiation
Net force=0 net torque?0
16. Fbottom=Ftop+mg where mg is the weight of the volume
Kepler
density of lead
static fluid formula
Galileo
17. 9/5T(C)+32
Weight
Conservation of energy
mechanical wave
Convert Celsius to Fahrenheit
18. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
volume fluid flow rate formula
Emissive
Stable
Thermodynamics
19. Not easy to knock over
density of water
Stable structures
Period
Stable
20. Heat into system - work done by system
Weight
Change in internal energy
Wave speed=
Net force?0 net torque=0
21. As the speed of a moving fluid increases - the pressure within the fluid decreases
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22. The level stays the same
when ice in water melts what happens?
Conduction
Kepler
Einstein
23. The total force (positive and negative) acting upon an object
Heat
Stable
Centripedal acceleration=
Net force
24. 100 -000 n/m^2
Present velocity
amplitude
atmospheric pressure (atm)
Torque
25. 1 / period (time)
Aristotle
Photon energy
Mechanics
Frequency
26. C/n
velocity through a medium
static fluid formula
Wave speed=
density of water
27. The total disorder of an object
entropy
Weight
variation of pressure with depth
Fluid force
28. T^4
variation of pressure with depth
azX
Flow through a pipe
Thermal radiation
29. The change in internal energy= the heat absorbed- the work done
Heat capacity equation
law of conservation of energy
Stable structures
Brahe
30.
Net force=0 net torque?0
period of a pendulum T of length L
Energy of motion (kinetic energy)
Flow through a pipe
31. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
density of lead
Emissive
volume fluid flow rate
Thermodynamics
32. Heat Q= mass of sample x specific heat x temp change
Torque
Heat capacity equation
law of conservation of energy
azX
33. Fbottom-Ftop=mg=(density x vol) x g
Center of gravity (CG)
variation of pressure with depth
Pressure=
Why does something move?
34. ?
c=3x10^8 m/s
Projectile
Torque
measure of density
35. Voltage / current
Wave speed=
pressure depends on
Torque
Resistance
36.
Stable structures
density of lead
Einstein
Distance traveled
37. Current x voltage energy/time (joules per second)
mechanical wave
Projectile
Convert Celsius to Fahrenheit
Power (watts)
38. The combination of force and point of application
Projectile
Torque
Stable structures
Newton
39. Pressure x area
Thermal radiation
bernoulli's equation
Fluid force
Heat capacity equation
40. Wavelength x frequency
Wave speed=
Frequency
Thermal radiation
The US uses how much of the total world energy consumption?
41. 25%
Newton
Engine efficiency cannot be 100%
Present velocity
The US uses how much of the total world energy consumption?
42. Distance traveled / time
Condition for stability
Center of gravity (CG)
Speed of light
Velocity=
43. As the speed of a moving fluid increases - the pressure within the fluid decreases
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44. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Newton
Centripedal acceleration=
Quantum mechanics
Buoyant force
45. 1.25 kg/m^3
density of air
Einstein
Thermodynamics
Equilibrium
46. Force per unit area
Pressure=
Projectile
Projectile
Galileo
47. Heat into system - work done by system
Change in internal energy
Convection
Fluid force
Thermal radiation
48. Are wider at the base (which lowers their center of gravity)
Acceleration
law of conservation of energy
Convert Celsius to Kelven
Stable structures
49. Net force=0 net torque=0
infrasound
Power (watts)
Equilibrium
period p of a mass m oscillating on a horizontal spring of force constant k
50. F=mass x acceleration
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