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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. 9/5T(C)+32
Convert Celsius to Fahrenheit
First Law of thermodynamics
Momentum
restoring force
2. The center of an object
Change in internal energy
Einstein
1 BTU
Center of gravity (CG)
3.
definition of Bernoulii's equation
Convert Fahrenheit to Celsius
Distance traveled
period p of a mass m oscillating on a horizontal spring of force constant k
4. Current x resistance
azX
Net force
Heat capacity equation
Voltage
5. Distance traveled / time
measurement of pressure
incoming and outgoing flow rate formula
Velocity=
restoring force
6. Why things move
Weight
Heat capacity equation
Engine efficiency cannot be 100%
Mechanics
7. The combination of force and point of application
Aristotle
mass flow rate formula
Torque
Wavelength
8. 18600 miles/sec
Speed of light
Total momentum before collision
Newton
Conduction
9. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
pressure does what when depth is increased
Newton
Thermodynamics
Velocity required for an object to reach height h
10. The heat needed to raise the temperature of 1 pound of water by 1 degree F
1 BTU
density of aluminum
Newton's Second Law
Stable
11. The change in internal energy= the heat absorbed- the work done
wave
Second law of thermodynamics
law of conservation of energy
1 BTU
12. Believed that the natural state of objects was to be at rest
Aristotle
Newton
Energy of motion (kinetic energy)
First Law of thermodynamics
13. Z+n
Heat capacity (specific heat)
Momentum
wavelength
azX
14. Maximum displacement from equilibrium
Wavelength
amplitude
mass flow rate formula
Engine efficiency
15. Heat Q= mass of sample x specific heat x temp change
period of a pendulum T of length L
First Law of thermodynamics
volume fluid flow rate formula
Heat capacity equation
16. Equals total momentum after collision
Einstein
Total momentum before collision
static fluid formula
Projectile
17. How much torque it takes to get an object rotating
bernoulli's equation
Rotational inertia (moment of inertia)
Power (watts)
Heat
18. Pascal (Pa) or pounds per square inch (psi)
amplitude
mechanical wave
measurement of pressure
Thermodynamics
19. 1 / period (time)
Frequency
Torque
pressure depends on
variation of pressure with depth
20. 11 -000 kg/m^3
law of conservation of energy
Flow through a pipe
density of lead
Newton's Second Law
21. Hf
Weight
Photon energy
Net force
entropy
22. ?
static fluid formula
c=3x10^8 m/s
restoring force
Aristotle
23. The level stays the same
infrasound
when ice in water melts what happens?
Energy of motion (kinetic energy)
Net force
24. It increases
Physics
wavelength
Heat
pressure does what when depth is increased
25. The total disorder of an object
entropy
infrasound
Power (watts)
Period
26. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.
Heat capacity (specific heat)
Wave speed=
Centripedal acceleration=
continuity
27. Not easy to knock over
volume fluid flow rate
Stable
infrasound
Brahe
28. P(P2-P1)D^4/128Ln n=fluid's viscosity
Distance traveled
Flow through a pipe
pressure does what when depth is increased
First Law of thermodynamics
29. The change in internal energy= the heat absorbed- the work done
Heat capacity equation
law of conservation of energy
amplitude
Time for an object thrown to reach maximum height
30. Rod with forces applied at opposite ends in opposite directions
Fluid force
mass flow rate formula
Present velocity
Net force=0 net torque?0
31. Initial velocity= the square root of 2gh
wave
Velocity required for an object to reach height h
Engine efficiency cannot be 100%
amplitude
32. Rod with forces applied at opposite ends in opposite directions
Acceleration due to gravity on the earth
Net force=0 net torque?0
pressure does what when depth is increased
c=3x10^8 m/s
33. C / f
Velocity=
c=3x10^8 m/s
Physics
Wavelength
34. Fbottom-Ftop=mg=(density x vol) x g
variation of pressure with depth
Thermal radiation
Quantum mechanics
frequency of light
35. The study of heat and its transformation into mechanical energy
continuity
Photon energy
Thermodynamics
1 BTU
36. The first to do experimental studies of the laws of motion and was Imprisoned by Pope Urban VIII in 1633 for advocating the Copernican theory - also know as the heliocentric theory - that the earth was a planet revolving around the sun.
Why does something move?
Velocity required for an object to reach height h
Internal energy
Galileo
37. A disturbance that moves through something
Engine efficiency
pressure does what when depth is increased
wave
Fluid force
38. Decreases
Photon energy
the pressure of liquids _____ when it goes faster
Net force?0 net torque=0
Change in internal energy
39. 2 -700 kg/m^3
Net force
Fluid force
density of aluminum
Einstein
40. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)
Heat capacity (specific heat)
Second law of thermodynamics
Mechanics
ultrasound
41. Distance traveled / time
the pressure of liquids _____ when it goes faster
Torque
Flow through a pipe
Velocity=
42. Rod with forces applied at opposite ends in the same direction
viscosity
Photon energy
Net force?0 net torque=0
Weight
43. Initial velocity= the square root of 2gh
volume fluid flow rate
Velocity required for an object to reach height h
infrasound
ultrasound
44. If the CG is above the edge - the object will not fall
Condition for stability
when ice in water melts what happens?
azX
ultrasound
45. V1 x A1=v2 x A2
Convection
Centripedal acceleration=
incoming and outgoing flow rate formula
Acceleration
46. New theory that explained behavior at the atomic level
Quantum mechanics
Newton
Fluid force
Thermodynamics
47. Kg/m^3
Distance traveled
density of aluminum
Conduction
measure of density
48. Velocity squared / radius
Centripedal acceleration=
Voltage
Radiation
Brahe
49. The efficiency with which an object emits thermal radiation. Is a number between 0 and 1. A good emitter has an e close to 1.
Buoyant force
Rotational inertia (moment of inertia)
Emissive
Period
50. 2p x square root L/g
Acceleration
period of a pendulum T of length L
Emissive
Torque