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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. Rod with forces applied at opposite ends in opposite directions
when ice in water melts what happens?
Net force=0 net torque?0
Torque
Total momentum before collision
2. Force x lever arm
pressure does what when depth is increased
Torque
the pressure of liquids _____ when it goes faster
definition of Bernoulii's equation
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
Newton
Flow through a pipe
Pressure=
4. A tendency for liquids to resist flowing.
the pressure of liquids _____ when it goes faster
viscosity
entropy
Torque
5. 1 -000 kg/m^3
density of water
Resistance
Engine efficiency cannot be 100%
Radiation
6. Fbottom=Ftop+mg where mg is the weight of the volume
Heat
frequency of light
azX
static fluid formula
7. Time required to complete one cycle
Period
Net force=0 net torque?0
Aristotle
Net force?0 net torque=0
8. Hf
Photon energy
Newton's Second Law
measurement of pressure
Distance traveled
9. Change in velocity / time
Acceleration
Physics
amplitude
period of a pendulum T of length L
10. 100 -000 n/m^2
atmospheric pressure (atm)
Emissive
Newton's Second Law
First Law of thermodynamics
11. Fbottom-Ftop=mg=(density x vol) x g
measurement of pressure
Torque
Center of gravity (CG)
variation of pressure with depth
12. Mass x specific heat x temperature change
Thermal radiation
Period
Frequency
Heat
13. Pressure x area
Speed of light
Internal energy
Fluid force
measurement of pressure
14. Number density x temperature
pressure depends on
Wavelength
Pressure=
the pressure of liquids _____ when it goes faster
15. The study of heat and its transformation into mechanical energy
Momentum
Thermodynamics
Fluid force
Aristotle
16. Voltage / current
Resistance
Engine efficiency cannot be 100%
restoring force
density of air
17. Mass x velocity
Conservation of energy
Power (watts)
period of a pendulum T of length L
Momentum
18. Work done / heat in
Engine efficiency
mechanical wave
Stable structures
Resistance
19. 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.
density of water
Mechanics
First Law of thermodynamics
Convection
20. Equals total momentum after collision
density of air
Frequency
Total momentum before collision
pressure does what when depth is increased
21. 18600 miles/sec
Speed of light
Velocity required for an object to reach height h
mass flow rate formula
Heat capacity (specific heat)
22. Kg/m^3
Radiation
measure of density
Newton
Change in internal energy
23. A disturbance that moves through something
viscosity
Period
wave
Quantum mechanics
24. Current x resistance
Convection
First Law of thermodynamics
Voltage
pressure does what when depth is increased
25. 18600 miles/sec
Wavelength
ultrasound
Conservation of energy
Speed of light
26. Hf
Fluid force
Condition for stability
density of aluminum
Photon energy
27. You cant get as much out as you put in
Engine efficiency cannot be 100%
First Law of thermodynamics
Heat
velocity through a medium
28. V x A= constant
Newton's Second Law
continuity
Buoyant force
Net force
29. It increases
pressure does what when depth is increased
mechanical wave
Flow through a pipe
1 BTU
30. Because nothing stops it
bernoulli's equation
Heat capacity (specific heat)
Condition for stability
Why does something move?
31. C/n
velocity through a medium
bernoulli's equation
Quantum mechanics
Present velocity
32. Current x voltage energy/time (joules per second)
Power (watts)
Engine efficiency
Why does something move?
Net force
33. Speed of light / wavelength
Einstein
density of water
frequency of light
Convert Celsius to Kelven
34. Velocity squared / radius
Centripedal acceleration=
Kepler
restoring force
Speed of light
35. 25%
Change in internal energy
frequency of light
1 BTU
The US uses how much of the total world energy consumption?
36. Maximum displacement from equilibrium
amplitude
Net force?0 net torque=0
Galileo
measure of density
37. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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38. V x A= constant
variation of pressure with depth
continuity
Fluid force
viscosity
39. Length of a wave
Heat capacity (specific heat)
wavelength
Heat
Weight
40. The total force (positive and negative) acting upon an object
Net force
Thermal conductivity
Frequency
measure of density
41. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
First Law of thermodynamics
Second law of thermodynamics
Convert Celsius to Kelven
order of states of matter stronger to lesser forces between atoms
42. 9/5T(C)+32
Convection
Power (watts)
Convert Celsius to Fahrenheit
Convert Celsius to Kelven
43. 5/9 [T(F)-32]
Velocity=
Projectile
period of a pendulum T of length L
Convert Fahrenheit to Celsius
44. V1 x A1=v2 x A2
period of a pendulum T of length L
incoming and outgoing flow rate formula
Engine efficiency cannot be 100%
Period
45. An object that is thrown or struck or shot and then travels under the influence of gravity
Why does something move?
c=3x10^8 m/s
Projectile
measurement of pressure
46. An object that is thrown or struck or shot and then travels under the influence of gravity
Thermal conductivity
Present velocity
Projectile
Aristotle
47. Rod with forces applied at opposite ends in opposite directions
Net force=0 net torque?0
Radiation
density of lead
Net force
48. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
entropy
azX
definition of Bernoulii's equation
Second law of thermodynamics
49. Change in velocity / time
Center of gravity (CG)
Buoyant force
mechanical wave
Acceleration
50. Fbottom=Ftop+mg where mg is the weight of the volume
static fluid formula
Engine efficiency cannot be 100%
Stable
wave