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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 force that brings a system back to equilibrium
restoring force
static fluid formula
Thermal radiation
Wavelength
2. Mass x velocity
Convert Fahrenheit to Celsius
Momentum
Equilibrium
pressure does what when depth is increased
3. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Flow through a pipe
Newton
Second law of thermodynamics
Einstein
4. Length of a wave
Heat capacity equation
Quantum mechanics
Physics
wavelength
5. Speed of light / wavelength
Engine efficiency
wavelength
Buoyant force
frequency of light
6. If the CG is above the edge - the object will not fall
Condition for stability
Internal energy
Engine efficiency cannot be 100%
static fluid formula
7. The level stays the same
Power (watts)
Stable structures
Speed of light
when ice in water melts what happens?
8. Rod with forces applied at opposite ends in the same direction
pressure depends on
bernoulli's equation
Heat
Net force?0 net torque=0
9. ?
c=3x10^8 m/s
Conduction
velocity through a medium
Distance traveled
10. 25%
The US uses how much of the total world energy consumption?
Center of gravity (CG)
static fluid formula
Convection
11. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
Heat capacity (specific heat)
volume fluid flow rate formula
Stable
Speed of light
12. The heat transfer by electromagnetic waves - thermal light waves
atmospheric pressure (atm)
Velocity=
Radiation
Conservation of energy
13. The center of an object
Torque
static fluid formula
Center of gravity (CG)
Buoyant force
14. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Center of gravity (CG)
bernoulli's equation
Second law of thermodynamics
Equilibrium
15. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Kepler
Velocity=
continuity
Wave speed=
16. Initial velocity= the square root of 2gh
atmospheric pressure (atm)
Torque
Aristotle
Velocity required for an object to reach height h
17. Solids - liquids - gases
Wave speed=
Internal energy
order of states of matter stronger to lesser forces between atoms
entropy
18. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Resistance
Condition for stability
Brahe
Einstein
19. T=2p square root m/k frequency= square root k/m;/2p
Momentum
period p of a mass m oscillating on a horizontal spring of force constant k
Why does something move?
density of water
20. 1.25 kg/m^3
when ice in water melts what happens?
wave
Conduction
density of air
21. C/n
velocity through a medium
Velocity=
Newton
Second law of thermodynamics
22. A disturbance that propagates through a medium
Flow through a pipe
Thermal conductivity
mechanical wave
volume fluid flow rate
23. Pressure x area
bernoulli's equation
Equilibrium
Fluid force
Power (watts)
24. Speed of light / wavelength
frequency of light
when ice in water melts what happens?
Heat capacity equation
atmospheric pressure (atm)
25. P x u x A
Engine efficiency cannot be 100%
Photon energy
mass flow rate formula
pressure does what when depth is increased
26. Number density x temperature
Newton
Engine efficiency cannot be 100%
pressure depends on
Second law of thermodynamics
27. Weight of displaced water=volume of displaced water in liters x 10 n / liter
period p of a mass m oscillating on a horizontal spring of force constant k
Buoyant force
Period
volume fluid flow rate
28. The combination of force and point of application
Thermodynamics
Torque
Heat
Why does something move?
29. 5/9 [T(F)-32]
mass flow rate formula
Heat capacity (specific heat)
measurement of pressure
Convert Fahrenheit to Celsius
30. Wavelength x frequency
Torque
definition of Bernoulii's equation
Wave speed=
ultrasound
31. Why things move
Energy of motion (kinetic energy)
The US uses how much of the total world energy consumption?
Buoyant force
Mechanics
32. Z+n
Torque
Stable
amplitude
azX
33. V1 x A1=v2 x A2
Second law of thermodynamics
variation of pressure with depth
Velocity required for an object to reach height h
incoming and outgoing flow rate formula
34. A disturbance that moves through something
Einstein
Net force
continuity
wave
35. The study of heat and its transformation into mechanical energy
Velocity required for an object to reach height h
Convection
Thermodynamics
Energy of motion (kinetic energy)
36. The total disorder of an object
Convert Fahrenheit to Celsius
Equilibrium
Internal energy
entropy
37. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
when ice in water melts what happens?
static fluid formula
frequency of light
Newton
38. 2p x square root L/g
Velocity=
entropy
period of a pendulum T of length L
Period
39. Maximum displacement from equilibrium
volume fluid flow rate
Convert Celsius to Kelven
Wave speed=
amplitude
40. 1 / period (time)
density of water
Thermal conductivity
Frequency
density of aluminum
41. T(C) +273
Energy of motion (kinetic energy)
Convert Celsius to Kelven
Engine efficiency cannot be 100%
pressure does what when depth is increased
42. Work done / heat in
Engine efficiency
Newton
pressure depends on
static fluid formula
43. 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.
Torque
velocity through a medium
First Law of thermodynamics
entropy
44. Pressure x area
Aristotle
velocity through a medium
Fluid force
Rotational inertia (moment of inertia)
45. Sounds above 20 -000 Hz
Convert Celsius to Kelven
ultrasound
pressure at depth h
Convert Celsius to Kelven
46.
Energy of motion (kinetic energy)
Flow through a pipe
order of states of matter stronger to lesser forces between atoms
mass flow rate formula
47. You can't get more work out than the energy you put in
Conservation of energy
Galileo
density of aluminum
Stable
48. P + density x g h
Power (watts)
pressure at depth h
c=3x10^8 m/s
Buoyant force
49. Rod with forces applied at opposite ends in opposite directions
pressure depends on
Time for an object thrown to reach maximum height
Engine efficiency cannot be 100%
Net force=0 net torque?0
50. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
ultrasound
Total momentum before collision
volume fluid flow rate formula
pressure depends on