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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 level stays the same
amplitude
Thermal conductivity
when ice in water melts what happens?
Engine efficiency cannot be 100%
2. T^4
Kepler
Thermal radiation
Conservation of energy
Photon energy
3. If the CG is above the edge - the object will not fall
Condition for stability
Acceleration due to gravity on the earth
measure of density
density of water
4. Current x voltage energy/time (joules per second)
1 BTU
Heat capacity equation
Power (watts)
density of water
5. You cant get as much out as you put in
Heat capacity equation
Frequency
static fluid formula
Engine efficiency cannot be 100%
6. Sounds below 30 Hz
wavelength
infrasound
Thermal conductivity
Galileo
7. Because nothing stops it
Velocity required for an object to reach height h
Why does something move?
atmospheric pressure (atm)
Momentum
8. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Acceleration
Brahe
when ice in water melts what happens?
pressure depends on
9.
Energy of motion (kinetic energy)
Pressure=
volume fluid flow rate formula
Torque
10. Time required to complete one cycle
infrasound
Conservation of energy
Period
Physics
11. Pressure x area
Fluid force
Mechanics
frequency of light
Centripedal acceleration=
12. Force per unit area
Pressure=
Period
Physics
Condition for stability
13. The study of heat and its transformation into mechanical energy
Thermodynamics
period of a pendulum T of length L
Stable structures
Emissive
14. Initial velocity = acceleration x time
Heat
wavelength
Present velocity
density of water
15. Heat is carried from place to place by the bulk movement of either liquids or gasses
Engine efficiency
order of states of matter stronger to lesser forces between atoms
Convection
when ice in water melts what happens?
16. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Frequency
Buoyant force
c=3x10^8 m/s
wavelength
17.
Distance traveled
Acceleration
Einstein
Convection
18. Heat into system - work done by system
Change in internal energy
pressure at depth h
Distance traveled
Buoyant force
19. V x A= constant
measure of density
continuity
Newton
Newton's Second Law
20. An object that is thrown or struck or shot and then travels under the influence of gravity
Convection
Projectile
Heat capacity (specific heat)
Total momentum before collision
21. Number density x temperature
pressure depends on
Change in internal energy
incoming and outgoing flow rate formula
The US uses how much of the total world energy consumption?
22. Velocity squared / radius
Condition for stability
The US uses how much of the total world energy consumption?
Centripedal acceleration=
density of air
23. Work done / heat in
Aristotle
azX
Projectile
Engine efficiency
24. The total force (positive and negative) acting upon an object
measure of density
Physics
Time for an object thrown to reach maximum height
Net force
25. Not easy to knock over
Projectile
Stable
static fluid formula
Heat capacity equation
26. You can't get more work out than the energy you put in
Convert Fahrenheit to Celsius
Conservation of energy
static fluid formula
Momentum
27. Mass x specific heat x temperature change
Conservation of energy
variation of pressure with depth
Heat
Stable
28. The force that brings a system back to equilibrium
Buoyant force
Thermodynamics
Centripedal acceleration=
restoring force
29. Length of a wave
wavelength
Emissive
pressure at depth h
Period
30. 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.
Mechanics
Emissive
law of conservation of energy
Buoyant force
31. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Torque
Newton
the pressure of liquids _____ when it goes faster
Velocity=
32. 9/5T(C)+32
Center of gravity (CG)
pressure does what when depth is increased
Convert Celsius to Fahrenheit
Second law of thermodynamics
33. It increases
Quantum mechanics
Emissive
pressure does what when depth is increased
Brahe
34. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Einstein
Thermal conductivity
Center of gravity (CG)
restoring force
35. V x A= constant
Radiation
continuity
Power (watts)
Photon energy
36. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
restoring force
Newton's Second Law
Brahe
Thermodynamics
37. Voltage / current
Kepler
Conservation of energy
Thermal conductivity
Resistance
38. A disturbance that moves through something
wave
mechanical wave
density of water
order of states of matter stronger to lesser forces between atoms
39. 5/9 [T(F)-32]
Net force?0 net torque=0
Engine efficiency
Projectile
Convert Fahrenheit to Celsius
40. Equals total momentum after collision
Internal energy
measure of density
Total momentum before collision
ultrasound
41. 10 m/s^2
Acceleration due to gravity on the earth
density of water
Thermal conductivity
variation of pressure with depth
42. A tendency for liquids to resist flowing.
Conduction
pressure does what when depth is increased
volume fluid flow rate formula
viscosity
43. Weight of displaced water=volume of displaced water in liters x 10 n / liter
mass flow rate formula
velocity through a medium
Buoyant force
Engine efficiency cannot be 100%
44. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
variation of pressure with depth
Heat capacity (specific heat)
definition of Bernoulii's equation
Engine efficiency cannot be 100%
45. Wavelength x frequency
Wave speed=
Quantum mechanics
Voltage
Galileo
46. The effectiveness of a material in conducting heat
Thermal conductivity
viscosity
law of conservation of energy
frequency of light
47. Not easy to knock over
Weight
Distance traveled
Net force
Stable
48. Rod with forces applied at opposite ends in opposite directions
Energy of motion (kinetic energy)
Newton
Convert Celsius to Kelven
Net force=0 net torque?0
49. Heat is transferred directly through a material with no bulk movement of material
Conduction
pressure does what when depth is increased
order of states of matter stronger to lesser forces between atoms
Heat capacity equation
50. Heat into system - work done by system
Change in internal energy
Distance traveled
bernoulli's equation
Mechanics