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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. 11 -000 kg/m^3
1 BTU
density of lead
restoring force
Engine efficiency
2. Equals total momentum after collision
pressure at depth h
Total momentum before collision
Period
period p of a mass m oscillating on a horizontal spring of force constant k
3. The study of heat and its transformation into mechanical energy
mass flow rate formula
Newton
Thermodynamics
restoring force
4. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Newton
ultrasound
Photon energy
order of states of matter stronger to lesser forces between atoms
5. You can't get more work out than the energy you put in
The US uses how much of the total world energy consumption?
amplitude
Conservation of energy
entropy
6. Fbottom=Ftop+mg where mg is the weight of the volume
azX
order of states of matter stronger to lesser forces between atoms
static fluid formula
Convert Celsius to Kelven
7. You can't get more work out than the energy you put in
volume fluid flow rate
Kepler
volume fluid flow rate formula
Conservation of energy
8. 2p x square root L/g
period of a pendulum T of length L
velocity through a medium
ultrasound
bernoulli's equation
9. P + density x g h
pressure at depth h
c=3x10^8 m/s
variation of pressure with depth
Distance traveled
10. The change in internal energy= the heat absorbed- the work done
pressure does what when depth is increased
law of conservation of energy
continuity
when ice in water melts what happens?
11. C/n
pressure does what when depth is increased
incoming and outgoing flow rate formula
velocity through a medium
restoring force
12. The sum of the energy of all the molecules in the system
Internal energy
Torque
Net force
1 BTU
13. Change in velocity / time
Total momentum before collision
period p of a mass m oscillating on a horizontal spring of force constant k
Torque
Acceleration
14. The total disorder of an object
Conservation of energy
entropy
Acceleration due to gravity on the earth
Thermal radiation
15. Mass x gravity
Pressure=
Wave speed=
Weight
Convection
16. You cant get as much out as you put in
Emissive
Engine efficiency cannot be 100%
azX
pressure depends on
17. Force x lever arm
when ice in water melts what happens?
Time for an object thrown to reach maximum height
Torque
continuity
18. Sounds above 20 -000 Hz
Center of gravity (CG)
Acceleration due to gravity on the earth
ultrasound
c=3x10^8 m/s
19. Rod with forces applied at opposite ends in the same direction
Pressure=
density of water
order of states of matter stronger to lesser forces between atoms
Net force?0 net torque=0
20. 1 / period (time)
amplitude
the pressure of liquids _____ when it goes faster
mass flow rate formula
Frequency
21. The sum of the energy of all the molecules in the system
Thermal conductivity
pressure does what when depth is increased
Internal energy
Equilibrium
22. Velocity squared / radius
Acceleration due to gravity on the earth
Centripedal acceleration=
Flow through a pipe
static fluid formula
23. 2 -700 kg/m^3
density of water
Stable structures
viscosity
density of aluminum
24. Believed that the natural state of objects was to be at rest
Engine efficiency
Aristotle
Heat capacity (specific heat)
azX
25. F=mass x acceleration
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26. Kg/m^3
Energy of motion (kinetic energy)
velocity through a medium
measure of density
c=3x10^8 m/s
27. Force x lever arm
First Law of thermodynamics
viscosity
Torque
incoming and outgoing flow rate formula
28. Heat Q= mass of sample x specific heat x temp change
Heat capacity equation
Torque
density of air
Distance traveled
29. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Projectile
1 BTU
wave
Newton
30. As the speed of a moving fluid increases - the pressure within the fluid decreases
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31. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Kepler
Conduction
Total momentum before collision
Heat
32. Decreases
volume fluid flow rate formula
Conservation of energy
Torque
the pressure of liquids _____ when it goes faster
33.
Voltage
Engine efficiency cannot be 100%
Energy of motion (kinetic energy)
pressure does what when depth is increased
34. Length of a wave
wavelength
Heat capacity (specific heat)
bernoulli's equation
Momentum
35. A tendency for liquids to resist flowing.
Engine efficiency cannot be 100%
Second law of thermodynamics
Engine efficiency
viscosity
36.
Velocity required for an object to reach height h
Distance traveled
Time for an object thrown to reach maximum height
Radiation
37. The level stays the same
Flow through a pipe
Kepler
infrasound
when ice in water melts what happens?
38. Rod with forces applied at opposite ends in opposite directions
infrasound
Engine efficiency
Net force=0 net torque?0
ultrasound
39. T(C) +273
Net force=0 net torque?0
Convert Celsius to Kelven
Conduction
Convert Celsius to Fahrenheit
40. Mass x gravity
Energy of motion (kinetic energy)
Weight
Second law of thermodynamics
Distance traveled
41. Kg/m^3
bernoulli's equation
wave
measure of density
Wave speed=
42. Initial velocity = acceleration x time
the pressure of liquids _____ when it goes faster
Present velocity
Time for an object thrown to reach maximum height
mechanical wave
43. Heat is carried from place to place by the bulk movement of either liquids or gasses
Convection
the pressure of liquids _____ when it goes faster
1 BTU
Brahe
44. Not easy to knock over
wave
Physics
Stable
Velocity required for an object to reach height h
45. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
amplitude
measurement of pressure
volume fluid flow rate formula
Newton's Second Law
46. The energy that flows from one system to another because of their temperature difference.
Acceleration due to gravity on the earth
Heat
pressure does what when depth is increased
Stable
47. You cant get as much out as you put in
incoming and outgoing flow rate formula
Engine efficiency cannot be 100%
when ice in water melts what happens?
the pressure of liquids _____ when it goes faster
48. C / f
Net force
Time for an object thrown to reach maximum height
pressure depends on
Wavelength
49. Force per unit area
Pressure=
azX
mechanical wave
Net force
50.
Quantum mechanics
wave
Distance traveled
infrasound