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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. 1 -000 kg/m^3
Heat capacity equation
Period
density of water
atmospheric pressure (atm)
2.
Equilibrium
Heat
frequency of light
Distance traveled
3. 1 / period (time)
Voltage
Frequency
1 BTU
ultrasound
4. 2 -700 kg/m^3
Net force=0 net torque?0
Engine efficiency cannot be 100%
pressure at depth h
density of aluminum
5. 1 -000 kg/m^3
bernoulli's equation
Convert Celsius to Kelven
Velocity=
density of water
6. Equals total momentum after collision
Heat
Total momentum before collision
Stable
Condition for stability
7. Work done / heat in
Heat
Engine efficiency
wave
pressure at depth h
8. Why things move
Acceleration
Mechanics
Velocity=
Conservation of energy
9. 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
Heat capacity (specific heat)
Why does something move?
azX
10. P + density x g h
Internal energy
pressure at depth h
Heat capacity (specific heat)
Einstein
11. The effectiveness of a material in conducting heat
density of lead
azX
Time for an object thrown to reach maximum height
Thermal conductivity
12. Fbottom=Ftop+mg where mg is the weight of the volume
Present velocity
density of air
c=3x10^8 m/s
static fluid formula
13. How much torque it takes to get an object rotating
Period
Rotational inertia (moment of inertia)
Centripedal acceleration=
Momentum
14. The combination of force and point of application
when ice in water melts what happens?
frequency of light
the pressure of liquids _____ when it goes faster
Torque
15. A tendency for liquids to resist flowing.
viscosity
entropy
Energy of motion (kinetic energy)
amplitude
16. 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.
Emissive
Internal energy
Power (watts)
bernoulli's equation
17. Number density x temperature
Photon energy
volume fluid flow rate
pressure depends on
Convert Celsius to Kelven
18. Heat is transferred directly through a material with no bulk movement of material
measurement of pressure
azX
frequency of light
Conduction
19. You can't get more work out than the energy you put in
Conservation of energy
order of states of matter stronger to lesser forces between atoms
atmospheric pressure (atm)
Total momentum before collision
20. Mass x gravity
Fluid force
Acceleration due to gravity on the earth
Radiation
Weight
21. Sounds below 30 Hz
Heat
atmospheric pressure (atm)
infrasound
Radiation
22. A disturbance that moves through something
Heat capacity equation
pressure does what when depth is increased
frequency of light
wave
23. Velocity squared / radius
Centripedal acceleration=
Total momentum before collision
Period
Weight
24. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
volume fluid flow rate formula
Thermal radiation
Torque
Momentum
25. C/n
Distance traveled
Heat
velocity through a medium
Frequency
26. Sounds above 20 -000 Hz
Energy of motion (kinetic energy)
Heat
ultrasound
Wave speed=
27. Force per unit area
Period
Buoyant force
order of states of matter stronger to lesser forces between atoms
Pressure=
28. Initial velocity= the square root of 2gh
Power (watts)
Velocity required for an object to reach height h
c=3x10^8 m/s
Heat
29. Force x lever arm
Engine efficiency
Torque
Convert Fahrenheit to Celsius
Heat
30. Current x resistance
Quantum mechanics
density of aluminum
Voltage
Velocity required for an object to reach height h
31. Hf
pressure at depth h
entropy
Physics
Photon energy
32. Current x resistance
Flow through a pipe
Voltage
Photon energy
Resistance
33. It increases
period p of a mass m oscillating on a horizontal spring of force constant k
pressure does what when depth is increased
infrasound
Quantum mechanics
34. P + density x g h
pressure at depth h
volume fluid flow rate
viscosity
law of conservation of energy
35. You cant get as much out as you put in
incoming and outgoing flow rate formula
Engine efficiency cannot be 100%
Flow through a pipe
variation of pressure with depth
36. 5/9 [T(F)-32]
Quantum mechanics
measure of density
Stable structures
Convert Fahrenheit to Celsius
37. Heat into system - work done by system
entropy
Stable structures
Torque
Change in internal energy
38. 11 -000 kg/m^3
density of lead
density of water
mechanical wave
Heat
39. 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.
density of lead
First Law of thermodynamics
Heat capacity (specific heat)
Pressure=
40. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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41. Why things move
Mechanics
amplitude
Photon energy
wave
42. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Acceleration
period p of a mass m oscillating on a horizontal spring of force constant k
Buoyant force
Heat
43. A disturbance that propagates through a medium
incoming and outgoing flow rate formula
mechanical wave
ultrasound
Distance traveled
44. Heat into system - work done by system
Engine efficiency cannot be 100%
Distance traveled
Change in internal energy
Total momentum before collision
45. V1 x A1=v2 x A2
Newton
mechanical wave
wavelength
incoming and outgoing flow rate formula
46. The study of heat and its transformation into mechanical energy
Newton
Thermodynamics
Aristotle
Net force
47. 10 m/s^2
Acceleration due to gravity on the earth
Speed of light
mechanical wave
Pressure=
48. Equals total momentum after collision
amplitude
Centripedal acceleration=
Total momentum before collision
Convection
49. The force that brings a system back to equilibrium
restoring force
Convert Celsius to Kelven
Wavelength
Newton
50. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Buoyant force
Weight
c=3x10^8 m/s
The US uses how much of the total world energy consumption?