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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. Work done / heat in
Heat
Quantum mechanics
Engine efficiency
Frequency
2. How much torque it takes to get an object rotating
Rotational inertia (moment of inertia)
Internal energy
density of lead
incoming and outgoing flow rate formula
3. Heat Q= mass of sample x specific heat x temp change
definition of Bernoulii's equation
Energy of motion (kinetic energy)
entropy
Heat capacity equation
4. Mass x gravity
Equilibrium
volume fluid flow rate
azX
Weight
5. Equals total momentum after collision
Physics
Resistance
Emissive
Total momentum before collision
6. 2 -700 kg/m^3
Change in internal energy
Stable structures
density of aluminum
Net force
7. 9/5T(C)+32
mass flow rate formula
Convert Celsius to Fahrenheit
Centripedal acceleration=
Galileo
8. The heat transfer by electromagnetic waves - thermal light waves
Velocity=
Radiation
Heat capacity equation
entropy
9. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.
Kepler
Emissive
entropy
incoming and outgoing flow rate formula
10. Wavelength x frequency
variation of pressure with depth
viscosity
Wave speed=
Stable
11. Believed that the natural state of objects was to be at rest
Center of gravity (CG)
Aristotle
Wavelength
Power (watts)
12. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
Brahe
Resistance
incoming and outgoing flow rate formula
static fluid formula
13. 11 -000 kg/m^3
Heat capacity equation
Convection
density of lead
the pressure of liquids _____ when it goes faster
14. You can't get more work out than the energy you put in
Convert Fahrenheit to Celsius
Conservation of energy
Thermal radiation
pressure does what when depth is increased
15. P(P2-P1)D^4/128Ln n=fluid's viscosity
Conservation of energy
viscosity
atmospheric pressure (atm)
Flow through a pipe
16. Heat is transferred directly through a material with no bulk movement of material
Conduction
Heat
continuity
Change in internal energy
17. Sounds above 20 -000 Hz
entropy
ultrasound
Heat
Resistance
18. You cant get as much out as you put in
Convection
period p of a mass m oscillating on a horizontal spring of force constant k
Engine efficiency cannot be 100%
Net force
19. Speed of light / wavelength
Aristotle
frequency of light
atmospheric pressure (atm)
Net force
20. Sounds below 30 Hz
pressure at depth h
Heat
Stable structures
infrasound
21. Fbottom-Ftop=mg=(density x vol) x g
viscosity
Distance traveled
variation of pressure with depth
pressure depends on
22. Force per unit area
Flow through a pipe
law of conservation of energy
Pressure=
Power (watts)
23. Fbottom=Ftop+mg where mg is the weight of the volume
Brahe
static fluid formula
Mechanics
Net force=0 net torque?0
24. A disturbance that moves through something
Total momentum before collision
restoring force
wave
Newton
25. The total force (positive and negative) acting upon an object
Net force
Mechanics
Thermal conductivity
incoming and outgoing flow rate formula
26. Mass x gravity
Physics
Speed of light
Weight
Physics
27. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
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28. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Present velocity
Weight
Newton
Conduction
29. 1 -000 kg/m^3
wavelength
Newton's Second Law
density of water
Buoyant force
30. The effectiveness of a material in conducting heat
pressure does what when depth is increased
Brahe
Velocity required for an object to reach height h
Thermal conductivity
31. Because nothing stops it
Why does something move?
Einstein
Heat
Radiation
32. Kg/m^3
measure of density
Period
Centripedal acceleration=
Newton's Second Law
33. 10 m/s^2
Acceleration due to gravity on the earth
the pressure of liquids _____ when it goes faster
density of water
amplitude
34. Why things move
Net force=0 net torque?0
Wave speed=
Mechanics
when ice in water melts what happens?
35. 2p x square root L/g
period of a pendulum T of length L
Conduction
Condition for stability
variation of pressure with depth
36. 2 -700 kg/m^3
period of a pendulum T of length L
density of aluminum
Engine efficiency cannot be 100%
Why does something move?
37. The energy that flows from one system to another because of their temperature difference.
Mechanics
when ice in water melts what happens?
Heat
Centripedal acceleration=
38. The effectiveness of a material in conducting heat
Thermal conductivity
velocity through a medium
Fluid force
Rotational inertia (moment of inertia)
39. P x u x A
mass flow rate formula
ultrasound
Momentum
Heat
40. Initial velocity = acceleration x time
Newton's Second Law
Net force?0 net torque=0
Present velocity
law of conservation of energy
41. Net force=0 net torque=0
Change in internal energy
Equilibrium
measure of density
Aristotle
42. Velocity squared / radius
Engine efficiency
variation of pressure with depth
Period
Centripedal acceleration=
43. T=2p square root m/k frequency= square root k/m;/2p
period p of a mass m oscillating on a horizontal spring of force constant k
Flow through a pipe
Projectile
volume fluid flow rate formula
44. Heat into system - work done by system
Flow through a pipe
The US uses how much of the total world energy consumption?
Change in internal energy
Heat
45. A disturbance that moves through something
Heat capacity equation
wave
Convection
mechanical wave
46. Z+n
1 BTU
azX
ultrasound
pressure depends on
47. C / f
density of aluminum
ultrasound
Wavelength
infrasound
48. It increases
pressure does what when depth is increased
the pressure of liquids _____ when it goes faster
Net force?0 net torque=0
frequency of light
49. Weight of displaced water=volume of displaced water in liters x 10 n / liter
Torque
Buoyant force
Torque
Conservation of energy
50. Pressure x area
Fluid force
Quantum mechanics
Engine efficiency
viscosity