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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. Fbottom=Ftop+mg where mg is the weight of the volume
Wavelength
static fluid formula
atmospheric pressure (atm)
continuity
2. You cant get as much out as you put in
Wave speed=
Engine efficiency cannot be 100%
Rotational inertia (moment of inertia)
Condition for stability
3. How much torque it takes to get an object rotating
Rotational inertia (moment of inertia)
entropy
Heat capacity (specific heat)
Wavelength
4. You cant get as much out as you put in
Engine efficiency cannot be 100%
Centripedal acceleration=
Frequency
Conduction
5. 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
pressure at depth h
Engine efficiency cannot be 100%
bernoulli's equation
6. 2p x square root L/g
Einstein
atmospheric pressure (atm)
period of a pendulum T of length L
pressure depends on
7. Net force=0 net torque=0
when ice in water melts what happens?
Thermodynamics
Second law of thermodynamics
Equilibrium
8. Rod with forces applied at opposite ends in opposite directions
Galileo
density of air
Period
Net force=0 net torque?0
9. Equals total momentum after collision
density of air
Convert Fahrenheit to Celsius
Emissive
Total momentum before collision
10. Number density x temperature
pressure depends on
bernoulli's equation
Quantum mechanics
Momentum
11. C / f
c=3x10^8 m/s
Convert Celsius to Kelven
measurement of pressure
Wavelength
12. 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
measure of density
law of conservation of energy
Engine efficiency
13. Why things move
Torque
azX
Mechanics
Conservation of energy
14. Wavelength x frequency
Convert Celsius to Fahrenheit
Wave speed=
Net force?0 net torque=0
volume fluid flow rate
15. Current x voltage energy/time (joules per second)
Speed of light
Energy of motion (kinetic energy)
Power (watts)
static fluid formula
16. Pascal (Pa) or pounds per square inch (psi)
measurement of pressure
Why does something move?
Thermal radiation
Speed of light
17. A tendency for liquids to resist flowing.
viscosity
Mechanics
Engine efficiency
Voltage
18. Because nothing stops it
Brahe
Weight
Why does something move?
Aristotle
19. Solids - liquids - gases
First Law of thermodynamics
Mechanics
order of states of matter stronger to lesser forces between atoms
Stable structures
20. C/n
Heat
law of conservation of energy
velocity through a medium
Power (watts)
21. Voltage / current
Power (watts)
Net force=0 net torque?0
Resistance
Frequency
22. Mass x gravity
Second law of thermodynamics
Weight
Why does something move?
Center of gravity (CG)
23. F=mass x acceleration
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24. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Second law of thermodynamics
Wavelength
1 BTU
Momentum
25. If the CG is above the edge - the object will not fall
Projectile
density of lead
Condition for stability
pressure depends on
26. Velocity squared / radius
order of states of matter stronger to lesser forces between atoms
Heat
Centripedal acceleration=
ultrasound
27. V1 x A1=v2 x A2
azX
Flow through a pipe
Acceleration due to gravity on the earth
incoming and outgoing flow rate formula
28. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
volume fluid flow rate formula
Conduction
bernoulli's equation
mass flow rate formula
29. 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
restoring force
Centripedal acceleration=
Present velocity
30. Sounds above 20 -000 Hz
infrasound
Mechanics
Quantum mechanics
ultrasound
31. F=mass x acceleration
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32. Heat into system - work done by system
Change in internal energy
period of a pendulum T of length L
volume fluid flow rate
Heat
33. Kg/m^3
measure of density
Kepler
Convection
entropy
34. The force that brings a system back to equilibrium
Galileo
restoring force
Net force
the pressure of liquids _____ when it goes faster
35. V1 x A1=v2 x A2
Equilibrium
Pressure=
incoming and outgoing flow rate formula
definition of Bernoulii's equation
36. Work done / heat in
Net force?0 net torque=0
Distance traveled
Engine efficiency
measure of density
37. Mass x velocity
Engine efficiency cannot be 100%
Momentum
when ice in water melts what happens?
continuity
38. Decreases
density of aluminum
Second law of thermodynamics
the pressure of liquids _____ when it goes faster
Speed of light
39. A disturbance that moves through something
Acceleration due to gravity on the earth
measure of density
wave
Conduction
40. If the CG is above the edge - the object will not fall
Period
the pressure of liquids _____ when it goes faster
Time for an object thrown to reach maximum height
Condition for stability
41. Mass x specific heat x temperature change
Heat
Quantum mechanics
Projectile
pressure does what when depth is increased
42. Heat is transferred directly through a material with no bulk movement of material
Conduction
density of water
viscosity
Galileo
43.
Kepler
Net force?0 net torque=0
Galileo
Distance traveled
44. The total force (positive and negative) acting upon an object
Stable structures
Convert Celsius to Kelven
order of states of matter stronger to lesser forces between atoms
Net force
45. 5/9 [T(F)-32]
Mechanics
Physics
amplitude
Convert Fahrenheit to Celsius
46. 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.
infrasound
First Law of thermodynamics
Why does something move?
Fluid force
47. As the speed of a moving fluid increases - the pressure within the fluid decreases
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48. Work done / heat in
Resistance
Engine efficiency
Convert Fahrenheit to Celsius
Second law of thermodynamics
49. Distance traveled / time
Convection
Velocity=
Power (watts)
infrasound
50. T=2p square root m/k frequency= square root k/m;/2p
Resistance
period p of a mass m oscillating on a horizontal spring of force constant k
Kepler
Rotational inertia (moment of inertia)