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Test your basic knowledge |
Everyday Physics
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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. Heat into system - work done by system
static fluid formula
pressure at depth h
Acceleration
Change in internal energy
2. An object that is thrown or struck or shot and then travels under the influence of gravity
Photon energy
Projectile
Torque
atmospheric pressure (atm)
3. The sum of the energy of all the molecules in the system
restoring force
Torque
Internal energy
Torque
4. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Torque
Brahe
velocity through a medium
Condition for stability
5. You can't get more work out than the energy you put in
Conservation of energy
Change in internal energy
Aristotle
1 BTU
6. The center of an object
density of water
Center of gravity (CG)
frequency of light
mass flow rate formula
7. 1 / period (time)
Frequency
order of states of matter stronger to lesser forces between atoms
Thermal radiation
static fluid formula
8. 2 -700 kg/m^3
Heat capacity (specific heat)
density of aluminum
Heat
frequency of light
9. As the speed of a moving fluid increases - the pressure within the fluid decreases
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10. Mass x gravity
Weight
Photon energy
Velocity=
Quantum mechanics
11. 11 -000 kg/m^3
viscosity
Heat
Engine efficiency
density of lead
12. The effectiveness of a material in conducting heat
Torque
Thermal conductivity
measurement of pressure
Photon energy
13. Initial velocity = acceleration x time
pressure does what when depth is increased
Present velocity
Acceleration due to gravity on the earth
Physics
14. The force that brings a system back to equilibrium
Conduction
Time for an object thrown to reach maximum height
restoring force
Velocity=
15. Because nothing stops it
Net force
Conduction
1 BTU
Why does something move?
16. Hf
Convection
Photon energy
Acceleration
Thermodynamics
17. Heat into system - work done by system
Brahe
mass flow rate formula
Weight
Change in internal energy
18. Number density x temperature
pressure depends on
Newton
Acceleration due to gravity on the earth
Heat
19. 10 m/s^2
Acceleration due to gravity on the earth
definition of Bernoulii's equation
Emissive
when ice in water melts what happens?
20. P(P2-P1)D^4/128Ln n=fluid's viscosity
Torque
Equilibrium
pressure depends on
Flow through a pipe
21. The study of heat and its transformation into mechanical energy
Engine efficiency cannot be 100%
Period
c=3x10^8 m/s
Thermodynamics
22. 10 m/s^2
Acceleration due to gravity on the earth
Wavelength
wave
bernoulli's equation
23. Distance traveled / time
Velocity=
Convert Fahrenheit to Celsius
Torque
Power (watts)
24.
Distance traveled
viscosity
The US uses how much of the total world energy consumption?
volume fluid flow rate
25. The change in internal energy= the heat absorbed- the work done
law of conservation of energy
Rotational inertia (moment of inertia)
Conduction
Convert Fahrenheit to Celsius
26. C / f
Brahe
Convert Fahrenheit to Celsius
Energy of motion (kinetic energy)
Wavelength
27. Force per unit area
Brahe
Pressure=
period of a pendulum T of length L
law of conservation of energy
28. Sounds below 30 Hz
Center of gravity (CG)
period p of a mass m oscillating on a horizontal spring of force constant k
infrasound
Centripedal acceleration=
29. The force that brings a system back to equilibrium
measurement of pressure
Galileo
restoring force
First Law of thermodynamics
30. 18600 miles/sec
Thermal conductivity
Speed of light
Condition for stability
Period
31. Why things move
Heat
Weight
Mechanics
amplitude
32. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Newton
Convert Celsius to Fahrenheit
Energy of motion (kinetic energy)
Radiation
33. 1.25 kg/m^3
Conservation of energy
density of air
incoming and outgoing flow rate formula
Stable structures
34. You can't get more work out than the energy you put in
Conservation of energy
Why does something move?
volume fluid flow rate formula
Thermal radiation
35. Change in velocity / time
Centripedal acceleration=
Period
Acceleration
Engine efficiency
36. Wavelength x frequency
order of states of matter stronger to lesser forces between atoms
Wave speed=
azX
Acceleration due to gravity on the earth
37. A disturbance that propagates through a medium
mechanical wave
frequency of light
Stable
atmospheric pressure (atm)
38. 5/9 [T(F)-32]
period p of a mass m oscillating on a horizontal spring of force constant k
1 BTU
Convert Fahrenheit to Celsius
frequency of light
39. Sounds above 20 -000 Hz
Velocity required for an object to reach height h
Center of gravity (CG)
ultrasound
period of a pendulum T of length L
40. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
pressure depends on
Heat
Thermodynamics
Einstein
41. Rod with forces applied at opposite ends in the same direction
Net force?0 net torque=0
measurement of pressure
Rotational inertia (moment of inertia)
entropy
42. If the CG is above the edge - the object will not fall
The US uses how much of the total world energy consumption?
Time for an object thrown to reach maximum height
Condition for stability
Change in internal energy
43. V x A= constant
Newton
volume fluid flow rate
wavelength
continuity
44. Voltage / current
Time for an object thrown to reach maximum height
pressure depends on
Photon energy
Resistance
45. Length of a wave
Thermal radiation
wavelength
Net force=0 net torque?0
frequency of light
46. The energy that flows from one system to another because of their temperature difference.
Present velocity
Heat
Physics
The US uses how much of the total world energy consumption?
47. Equals total momentum after collision
Present velocity
measure of density
Total momentum before collision
wavelength
48. Weight of displaced water=volume of displaced water in liters x 10 n / liter
law of conservation of energy
Buoyant force
Frequency
Convert Fahrenheit to Celsius
49. 25%
Internal energy
The US uses how much of the total world energy consumption?
ultrasound
Radiation
50. Velocity squared / radius
Heat capacity equation
wave
Centripedal acceleration=
Flow through a pipe
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