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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. It increases
The US uses how much of the total world energy consumption?
Second law of thermodynamics
pressure does what when depth is increased
Conduction
2. The heat needed to raise the temperature of 1 pound of water by 1 degree F
pressure at depth h
1 BTU
Photon energy
when ice in water melts what happens?
3. The study of how objects behave (from the very tiny to the very big - and from the beginning of the Universe to its ultimate fate).
Physics
wavelength
incoming and outgoing flow rate formula
variation of pressure with depth
4. C/n
velocity through a medium
The US uses how much of the total world energy consumption?
Einstein
Time for an object thrown to reach maximum height
5. P x u x A
period p of a mass m oscillating on a horizontal spring of force constant k
mass flow rate formula
Torque
Center of gravity (CG)
6. A disturbance that moves through something
Condition for stability
wave
Present velocity
pressure does what when depth is increased
7. 1 -000 kg/m^3
density of water
Conservation of energy
wave
Convert Celsius to Kelven
8. Heat is transferred directly through a material with no bulk movement of material
Flow through a pipe
law of conservation of energy
Velocity required for an object to reach height h
Conduction
9. Equals total momentum after collision
pressure depends on
Total momentum before collision
Momentum
Rotational inertia (moment of inertia)
10. The force that brings a system back to equilibrium
restoring force
Galileo
measure of density
pressure does what when depth is increased
11. Heat Q= mass of sample x specific heat x temp change
Radiation
Emissive
volume fluid flow rate
Heat capacity equation
12. Force per unit area
Pressure=
Convert Celsius to Fahrenheit
The US uses how much of the total world energy consumption?
Newton's Second Law
13. 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.
measure of density
Convert Celsius to Fahrenheit
law of conservation of energy
Emissive
14. Speed of light / wavelength
frequency of light
pressure at depth h
bernoulli's equation
Torque
15. The study of heat and its transformation into mechanical energy
continuity
Thermodynamics
density of lead
Brahe
16. If the CG is above the edge - the object will not fall
Condition for stability
velocity through a medium
Speed of light
infrasound
17. ?
Speed of light
Torque
Stable
c=3x10^8 m/s
18. The level stays the same
when ice in water melts what happens?
Kepler
density of lead
pressure at depth h
19. Current x voltage energy/time (joules per second)
Power (watts)
volume fluid flow rate
restoring force
Condition for stability
20. Mass x velocity
Physics
Engine efficiency cannot be 100%
The US uses how much of the total world energy consumption?
Momentum
21. 5/9 [T(F)-32]
Emissive
Convert Fahrenheit to Celsius
entropy
Heat capacity (specific heat)
22. Heat into system - work done by system
Wave speed=
Period
Emissive
Change in internal energy
23. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Brahe
Fluid force
measurement of pressure
First Law of thermodynamics
24. Voltage / current
Brahe
Torque
period of a pendulum T of length L
Resistance
25. 2 -700 kg/m^3
Acceleration
pressure does what when depth is increased
density of aluminum
Momentum
26. Not easy to knock over
Stable
Conduction
Convert Fahrenheit to Celsius
First Law of thermodynamics
27. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Newton
Rotational inertia (moment of inertia)
Flow through a pipe
Speed of light
28. 2p x square root L/g
Acceleration due to gravity on the earth
period of a pendulum T of length L
Fluid force
Resistance
29. Wavelength x frequency
Condition for stability
measurement of pressure
Flow through a pipe
Wave speed=
30. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Buoyant force
Newton's Second Law
Projectile
Kepler
31.
Distance traveled
density of aluminum
Frequency
Convert Fahrenheit to Celsius
32. Current x resistance
Voltage
Engine efficiency
Period
Flow through a pipe
33. Pressure x area
Heat capacity equation
Acceleration
Conduction
Fluid force
34. 2p x square root L/g
mechanical wave
Conservation of energy
Convection
period of a pendulum T of length L
35. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Net force
Period
Fluid force
Brahe
36. Mass x gravity
Weight
density of lead
Centripedal acceleration=
Projectile
37. V1 x A1=v2 x A2
Time for an object thrown to reach maximum height
incoming and outgoing flow rate formula
Momentum
Newton
38. Time= the square root of 2 x height / acceleration due to gravity
Time for an object thrown to reach maximum height
infrasound
continuity
definition of Bernoulii's equation
39. T=2p square root m/k frequency= square root k/m;/2p
Engine efficiency cannot be 100%
Velocity=
period p of a mass m oscillating on a horizontal spring of force constant k
azX
40. The total force (positive and negative) acting upon an object
Torque
Voltage
Net force
bernoulli's equation
41. Current x resistance
Galileo
when ice in water melts what happens?
Voltage
Aristotle
42. Number density x temperature
static fluid formula
wave
entropy
pressure depends on
43. 1.25 kg/m^3
density of air
infrasound
Why does something move?
Heat
44. Work done / heat in
Engine efficiency
ultrasound
Time for an object thrown to reach maximum height
Net force=0 net torque?0
45. Pressure x area
Internal energy
Fluid force
Convert Fahrenheit to Celsius
Net force=0 net torque?0
46. Fbottom-Ftop=mg=(density x vol) x g
Heat
measurement of pressure
Newton's Second Law
variation of pressure with depth
47. Initial velocity = acceleration x time
Net force?0 net torque=0
Speed of light
Present velocity
Power (watts)
48.
volume fluid flow rate formula
restoring force
Energy of motion (kinetic energy)
azX
49. Net force=0 net torque=0
Centripedal acceleration=
pressure depends on
law of conservation of energy
Equilibrium
50.
wave
Heat capacity (specific heat)
Distance traveled
Thermodynamics