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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.
Heat
period of a pendulum T of length L
static fluid formula
Net force?0 net torque=0
2. Current x voltage energy/time (joules per second)
the pressure of liquids _____ when it goes faster
when ice in water melts what happens?
Power (watts)
Net force=0 net torque?0
3. Pressure x area
Fluid force
Radiation
density of water
Equilibrium
4. 9/5T(C)+32
Heat
pressure at depth h
The US uses how much of the total world energy consumption?
Convert Celsius to Fahrenheit
5. Decreases
incoming and outgoing flow rate formula
the pressure of liquids _____ when it goes faster
Mechanics
Torque
6. Distance traveled / time
density of water
Velocity=
Power (watts)
volume fluid flow rate
7. The combination of force and point of application
Einstein
Galileo
Stable
Torque
8. Current x voltage energy/time (joules per second)
Second law of thermodynamics
Net force?0 net torque=0
Power (watts)
pressure does what when depth is increased
9. 2p x square root L/g
Pressure=
Weight
period of a pendulum T of length L
Stable structures
10. Heat is transferred directly through a material with no bulk movement of material
law of conservation of energy
Momentum
Acceleration due to gravity on the earth
Conduction
11. Net force=0 net torque=0
Equilibrium
density of water
Aristotle
measurement of pressure
12. The heat transfer by electromagnetic waves - thermal light waves
Frequency
Period
Wavelength
Radiation
13. Mass x gravity
Heat
Weight
Net force?0 net torque=0
Radiation
14. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
First Law of thermodynamics
Net force=0 net torque?0
Brahe
Einstein
15. P + density x g h
pressure at depth h
Conduction
variation of pressure with depth
measurement of pressure
16. T^4
Physics
Thermal radiation
Einstein
Galileo
17. A disturbance that moves through something
the pressure of liquids _____ when it goes faster
wave
pressure does what when depth is increased
volume fluid flow rate
18.
density of water
Distance traveled
Center of gravity (CG)
Change in internal energy
19. Pascal (Pa) or pounds per square inch (psi)
Power (watts)
measurement of pressure
density of lead
wave
20. P(P2-P1)D^4/128Ln n=fluid's viscosity
Net force=0 net torque?0
amplitude
Flow through a pipe
Buoyant force
21. Mass x gravity
Weight
density of aluminum
Engine efficiency cannot be 100%
Aristotle
22. ?
wave
Wavelength
mass flow rate formula
c=3x10^8 m/s
23. Initial velocity = acceleration x time
Convert Celsius to Kelven
Present velocity
the pressure of liquids _____ when it goes faster
The US uses how much of the total world energy consumption?
24. 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.
First Law of thermodynamics
Newton
Distance traveled
1 BTU
25. If the CG is above the edge - the object will not fall
Why does something move?
Internal energy
Condition for stability
Stable
26. Mass x velocity
mechanical wave
Acceleration
Momentum
infrasound
27. How much torque it takes to get an object rotating
Convert Fahrenheit to Celsius
Period
Rotational inertia (moment of inertia)
Heat
28. Work done / heat in
Engine efficiency
Stable
Radiation
Power (watts)
29. Z+n
Kepler
infrasound
Internal energy
azX
30. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
volume fluid flow rate formula
density of lead
Einstein
Condition for stability
31. Believed that the natural state of objects was to be at rest
Aristotle
1 BTU
Period
pressure depends on
32. 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.
Galileo
Brahe
Resistance
Buoyant force
33. New theory that explained behavior at the atomic level
density of water
Net force
Quantum mechanics
Newton
34. T^4
Thermal radiation
Einstein
Projectile
wavelength
35. Rod with forces applied at opposite ends in the same direction
period of a pendulum T of length L
Net force?0 net torque=0
Wavelength
Photon energy
36. The total disorder of an object
Condition for stability
entropy
variation of pressure with depth
Distance traveled
37. Why things move
continuity
Mechanics
velocity through a medium
mass flow rate formula
38. You cant get as much out as you put in
Brahe
Engine efficiency cannot be 100%
Center of gravity (CG)
Total momentum before collision
39. 1 -000 kg/m^3
Weight
Acceleration due to gravity on the earth
Voltage
density of water
40. It increases
Galileo
pressure does what when depth is increased
Center of gravity (CG)
Buoyant force
41. Force x lever arm
Brahe
Torque
measure of density
Mechanics
42. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
density of lead
Newton
Resistance
Heat
43. Voltage / current
Resistance
wavelength
Engine efficiency cannot be 100%
Aristotle
44. 1.25 kg/m^3
density of air
Equilibrium
Velocity=
density of lead
45. Heat Q= mass of sample x specific heat x temp change
incoming and outgoing flow rate formula
Heat capacity equation
Newton
Stable
46. A disturbance that moves through something
Newton's Second Law
wave
Convert Fahrenheit to Celsius
amplitude
47. V1 x A1=v2 x A2
Velocity required for an object to reach height h
Why does something move?
pressure depends on
incoming and outgoing flow rate formula
48. 11 -000 kg/m^3
Acceleration
Wavelength
density of lead
Torque
49. Heat is transferred directly through a material with no bulk movement of material
Conduction
density of aluminum
Heat capacity (specific heat)
Velocity=
50. Sounds above 20 -000 Hz
Heat capacity (specific heat)
density of water
ultrasound
Stable structures