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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
Net force=0 net torque?0
bernoulli's equation
Voltage
Projectile
2. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Galileo
Heat
volume fluid flow rate formula
Rotational inertia (moment of inertia)
3. C / f
Equilibrium
Heat capacity equation
Mechanics
Wavelength
4. Initial velocity = acceleration x time
Engine efficiency
Resistance
Newton's Second Law
Present velocity
5. Pressure x area
Center of gravity (CG)
Fluid force
Heat
Center of gravity (CG)
6. Distance traveled / time
wavelength
Velocity=
Net force
Centripedal acceleration=
7. Heat is transferred directly through a material with no bulk movement of material
Why does something move?
Conduction
Energy of motion (kinetic energy)
atmospheric pressure (atm)
8. 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
c=3x10^8 m/s
Engine efficiency cannot be 100%
Heat capacity equation
9. You cant get as much out as you put in
Stable structures
Fluid force
Engine efficiency cannot be 100%
Centripedal acceleration=
10. Length of a wave
Mechanics
Convert Celsius to Kelven
wavelength
Radiation
11. A tendency for liquids to resist flowing.
variation of pressure with depth
mass flow rate formula
definition of Bernoulii's equation
viscosity
12. You cant get as much out as you put in
when ice in water melts what happens?
Equilibrium
wave
Engine efficiency cannot be 100%
13. Believed that the natural state of objects was to be at rest
Why does something move?
Frequency
Aristotle
Resistance
14. The force that brings a system back to equilibrium
Buoyant force
Net force?0 net torque=0
restoring force
variation of pressure with depth
15. If the CG is above the edge - the object will not fall
pressure depends on
Wave speed=
Condition for stability
variation of pressure with depth
16. C/n
Pressure=
velocity through a medium
The US uses how much of the total world energy consumption?
Convert Celsius to Fahrenheit
17. 1.25 kg/m^3
density of aluminum
mechanical wave
volume fluid flow rate formula
density of air
18. The level stays the same
volume fluid flow rate
measure of density
period p of a mass m oscillating on a horizontal spring of force constant k
when ice in water melts what happens?
19. 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
restoring force
Einstein
Convert Fahrenheit to Celsius
20. 5/9 [T(F)-32]
Mechanics
Thermal conductivity
Convert Fahrenheit to Celsius
Aristotle
21. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Momentum
bernoulli's equation
Internal energy
Einstein
22. Fbottom-Ftop=mg=(density x vol) x g
viscosity
pressure at depth h
when ice in water melts what happens?
variation of pressure with depth
23. If the CG is above the edge - the object will not fall
volume fluid flow rate formula
measurement of pressure
pressure does what when depth is increased
Condition for stability
24. Initial velocity= the square root of 2gh
The US uses how much of the total world energy consumption?
measurement of pressure
Velocity required for an object to reach height h
Present velocity
25. The heat transfer by electromagnetic waves - thermal light waves
Radiation
Center of gravity (CG)
Weight
infrasound
26. T^4
Voltage
Pressure=
variation of pressure with depth
Thermal radiation
27. Work done / heat in
Engine efficiency
the pressure of liquids _____ when it goes faster
Newton
Centripedal acceleration=
28. 18600 miles/sec
Convert Celsius to Fahrenheit
Condition for stability
c=3x10^8 m/s
Speed of light
29. The total force (positive and negative) acting upon an object
frequency of light
mass flow rate formula
Second law of thermodynamics
Net force
30. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Newton
Heat capacity equation
Brahe
infrasound
31. 100 -000 n/m^2
Center of gravity (CG)
Einstein
atmospheric pressure (atm)
Thermodynamics
32. The effectiveness of a material in conducting heat
infrasound
Thermal conductivity
The US uses how much of the total world energy consumption?
Einstein
33. Decreases
density of aluminum
Convert Celsius to Kelven
Engine efficiency cannot be 100%
the pressure of liquids _____ when it goes faster
34. F=mass x acceleration
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35. Pressure x area
Conservation of energy
Conduction
Fluid force
Internal energy
36. Initial velocity= the square root of 2gh
Convert Fahrenheit to Celsius
Energy of motion (kinetic energy)
Velocity required for an object to reach height h
Brahe
37. Maximum displacement from equilibrium
velocity through a medium
1 BTU
continuity
amplitude
38. The study of heat and its transformation into mechanical energy
Heat
Thermodynamics
Conservation of energy
Why does something move?
39. The level stays the same
when ice in water melts what happens?
Velocity=
amplitude
Resistance
40. 1 / period (time)
ultrasound
Heat
Frequency
Mechanics
41. Believed that the natural state of objects was to be at rest
Weight
Aristotle
azX
Convert Fahrenheit to Celsius
42. 10 m/s^2
Voltage
period p of a mass m oscillating on a horizontal spring of force constant k
Flow through a pipe
Acceleration due to gravity on the earth
43. How much torque it takes to get an object rotating
Acceleration due to gravity on the earth
Rotational inertia (moment of inertia)
volume fluid flow rate
incoming and outgoing flow rate formula
44. Heat is transferred directly through a material with no bulk movement of material
Buoyant force
Convection
Conduction
viscosity
45. A tendency for liquids to resist flowing.
measure of density
Time for an object thrown to reach maximum height
viscosity
velocity through a medium
46. Heat Q= mass of sample x specific heat x temp change
Kepler
Power (watts)
Heat capacity equation
Torque
47. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)
Total momentum before collision
Acceleration
Heat capacity (specific heat)
volume fluid flow rate formula
48. Solids - liquids - gases
amplitude
Wavelength
Change in internal energy
order of states of matter stronger to lesser forces between atoms
49. The combination of force and point of application
viscosity
Torque
period p of a mass m oscillating on a horizontal spring of force constant k
Total momentum before collision
50. 100 -000 n/m^2
Convert Celsius to Fahrenheit
azX
1 BTU
atmospheric pressure (atm)