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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. V1 x A1=v2 x A2
continuity
amplitude
Velocity required for an object to reach height h
incoming and outgoing flow rate formula
2. V1 x A1=v2 x A2
measure of density
Why does something move?
incoming and outgoing flow rate formula
Weight
3. Heat is transferred directly through a material with no bulk movement of material
Momentum
density of air
Wave speed=
Conduction
4. Equals total momentum after collision
Pressure=
Total momentum before collision
variation of pressure with depth
Center of gravity (CG)
5. Are wider at the base (which lowers their center of gravity)
Velocity required for an object to reach height h
Engine efficiency
Acceleration due to gravity on the earth
Stable structures
6. C/n
velocity through a medium
Net force?0 net torque=0
Net force
Heat
7. Hf
frequency of light
Photon energy
Total momentum before collision
Net force
8. Current x resistance
Voltage
Internal energy
Momentum
Wave speed=
9. Initial velocity= the square root of 2gh
Conduction
Why does something move?
Net force?0 net torque=0
Velocity required for an object to reach height h
10. Net force=0 net torque=0
Equilibrium
Radiation
Torque
Velocity=
11. If the CG is above the edge - the object will not fall
Centripedal acceleration=
Center of gravity (CG)
Torque
Condition for stability
12. Weight of displaced water=volume of displaced water in liters x 10 n / liter
mass flow rate formula
continuity
Buoyant force
entropy
13. The total disorder of an object
entropy
density of water
order of states of matter stronger to lesser forces between atoms
Photon energy
14. 25%
The US uses how much of the total world energy consumption?
c=3x10^8 m/s
Pressure=
Einstein
15. Net force=0 net torque=0
mass flow rate formula
Equilibrium
wavelength
continuity
16. Solids - liquids - gases
Thermal radiation
order of states of matter stronger to lesser forces between atoms
velocity through a medium
Convert Fahrenheit to Celsius
17. Mass x specific heat x temperature change
frequency of light
Velocity required for an object to reach height h
c=3x10^8 m/s
Heat
18. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Conduction
Net force
Why does something move?
Second law of thermodynamics
19. Velocity squared / radius
Voltage
ultrasound
mechanical wave
Centripedal acceleration=
20. The total force (positive and negative) acting upon an object
Stable
Net force
Velocity=
Wave speed=
21. ?
amplitude
c=3x10^8 m/s
bernoulli's equation
infrasound
22. P x u x A
mass flow rate formula
Conservation of energy
Stable
Momentum
23. Force x lever arm
density of water
Convection
Torque
Convert Celsius to Kelven
24. Weight of displaced water=volume of displaced water in liters x 10 n / liter
mass flow rate formula
Net force=0 net torque?0
Buoyant force
Second law of thermodynamics
25. Number density x temperature
atmospheric pressure (atm)
Engine efficiency
pressure depends on
density of aluminum
26. Initial velocity= the square root of 2gh
density of water
Aristotle
Velocity required for an object to reach height h
Buoyant force
27. 1.25 kg/m^3
volume fluid flow rate formula
density of air
Voltage
the pressure of liquids _____ when it goes faster
28. The center of an object
Heat
Center of gravity (CG)
Engine efficiency cannot be 100%
mechanical wave
29. Mass x specific heat x temperature change
Heat
order of states of matter stronger to lesser forces between atoms
Conservation of energy
law of conservation of energy
30. Current x voltage energy/time (joules per second)
Convert Celsius to Fahrenheit
volume fluid flow rate formula
Time for an object thrown to reach maximum height
Power (watts)
31. Time required to complete one cycle
Fluid force
Net force?0 net torque=0
Period
variation of pressure with depth
32.
infrasound
wave
Energy of motion (kinetic energy)
Buoyant force
33. 10 m/s^2
Wavelength
Acceleration due to gravity on the earth
viscosity
wavelength
34. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Velocity required for an object to reach height h
Conduction
Kepler
Centripedal acceleration=
35. Change in velocity / time
Photon energy
Center of gravity (CG)
Convection
Acceleration
36. It increases
atmospheric pressure (atm)
Condition for stability
measurement of pressure
pressure does what when depth is increased
37. Pressure x area
Torque
volume fluid flow rate
azX
Fluid force
38. 100 -000 n/m^2
Engine efficiency cannot be 100%
Second law of thermodynamics
atmospheric pressure (atm)
Velocity required for an object to reach height h
39. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Brahe
Einstein
Frequency
Why does something move?
40. Time= the square root of 2 x height / acceleration due to gravity
c=3x10^8 m/s
density of air
Center of gravity (CG)
Time for an object thrown to reach maximum height
41. Velocity squared / radius
pressure does what when depth is increased
Heat capacity equation
Centripedal acceleration=
Total momentum before collision
42. Rod with forces applied at opposite ends in opposite directions
Convert Celsius to Kelven
pressure depends on
Net force=0 net torque?0
Wave speed=
43. Initial velocity = acceleration x time
Wave speed=
Present velocity
Convection
Radiation
44. The level stays the same
Center of gravity (CG)
Flow through a pipe
when ice in water melts what happens?
Convection
45. The effectiveness of a material in conducting heat
Mechanics
Second law of thermodynamics
Thermal conductivity
Period
46. The first to do experimental studies of the laws of motion and was Imprisoned by Pope Urban VIII in 1633 for advocating the Copernican theory - also know as the heliocentric theory - that the earth was a planet revolving around the sun.
Radiation
Galileo
Einstein
Heat
47. Mass x velocity
Velocity=
period p of a mass m oscillating on a horizontal spring of force constant k
Newton's Second Law
Momentum
48. C/n
velocity through a medium
infrasound
Radiation
period p of a mass m oscillating on a horizontal spring of force constant k
49. Fbottom-Ftop=mg=(density x vol) x g
variation of pressure with depth
Pressure=
Photon energy
ultrasound
50. Believed that the natural state of objects was to be at rest
Aristotle
period of a pendulum T of length L
Fluid force
bernoulli's equation