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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. T=2p square root m/k frequency= square root k/m;/2p
Net force=0 net torque?0
Net force?0 net torque=0
period p of a mass m oscillating on a horizontal spring of force constant k
continuity
2.
Energy of motion (kinetic energy)
density of lead
Buoyant force
Thermal radiation
3. An object that is thrown or struck or shot and then travels under the influence of gravity
Momentum
Conservation of energy
mass flow rate formula
Projectile
4. Z+n
Torque
Emissive
Pressure=
azX
5. You can't get more work out than the energy you put in
Conservation of energy
Engine efficiency cannot be 100%
Engine efficiency
the pressure of liquids _____ when it goes faster
6. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.
density of lead
1 BTU
Resistance
Brahe
7. How much torque it takes to get an object rotating
Rotational inertia (moment of inertia)
c=3x10^8 m/s
volume fluid flow rate
Acceleration due to gravity on the earth
8. The force that brings a system back to equilibrium
Weight
Wavelength
Kepler
restoring force
9. Voltage / current
when ice in water melts what happens?
volume fluid flow rate formula
Resistance
Period
10. V1 x A1=v2 x A2
Convert Celsius to Fahrenheit
incoming and outgoing flow rate formula
Fluid force
Newton's Second Law
11. Fbottom-Ftop=mg=(density x vol) x g
Convert Celsius to Fahrenheit
Equilibrium
Conservation of energy
variation of pressure with depth
12. A disturbance that moves through something
static fluid formula
Momentum
law of conservation of energy
wave
13. Fbottom=Ftop+mg where mg is the weight of the volume
Centripedal acceleration=
1 BTU
static fluid formula
Wavelength
14. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Einstein
entropy
Velocity=
Convert Celsius to Kelven
15. Why things move
Emissive
Engine efficiency
Wave speed=
Mechanics
16. The center of an object
velocity through a medium
Center of gravity (CG)
Second law of thermodynamics
Emissive
17. It increases
pressure does what when depth is increased
Pressure=
period of a pendulum T of length L
incoming and outgoing flow rate formula
18. As the speed of a moving fluid increases - the pressure within the fluid decreases
19. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s
c=3x10^8 m/s
continuity
Net force?0 net torque=0
volume fluid flow rate
20.
Photon energy
Distance traveled
variation of pressure with depth
density of aluminum
21. V1 x A1=v2 x A2
volume fluid flow rate formula
pressure at depth h
Power (watts)
incoming and outgoing flow rate formula
22. 25%
Heat
volume fluid flow rate formula
Velocity=
The US uses how much of the total world energy consumption?
23. Heat into system - work done by system
Thermodynamics
wave
Convection
Change in internal energy
24. Velocity squared / radius
Pressure=
infrasound
law of conservation of energy
Centripedal acceleration=
25. Why things move
Galileo
variation of pressure with depth
bernoulli's equation
Mechanics
26. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +
27. Equals total momentum after collision
Distance traveled
Acceleration due to gravity on the earth
Total momentum before collision
Kepler
28. The center of an object
Stable structures
Center of gravity (CG)
Projectile
ultrasound
29. If the CG is above the edge - the object will not fall
Weight
Condition for stability
Acceleration
Brahe
30. Net force=0 net torque=0
wave
velocity through a medium
period of a pendulum T of length L
Equilibrium
31. 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.
density of air
Photon energy
Galileo
Convert Fahrenheit to Celsius
32. 2p x square root L/g
mass flow rate formula
Internal energy
period of a pendulum T of length L
The US uses how much of the total world energy consumption?
33. Maximum displacement from equilibrium
Velocity=
amplitude
law of conservation of energy
static fluid formula
34. T(C) +273
Convert Celsius to Kelven
Convection
period p of a mass m oscillating on a horizontal spring of force constant k
incoming and outgoing flow rate formula
35. 5/9 [T(F)-32]
Engine efficiency
Convert Fahrenheit to Celsius
definition of Bernoulii's equation
wavelength
36. Time required to complete one cycle
Present velocity
density of air
Period
mass flow rate formula
37. 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.
Mechanics
First Law of thermodynamics
period of a pendulum T of length L
Voltage
38. Velocity squared / radius
Centripedal acceleration=
volume fluid flow rate formula
viscosity
Convert Celsius to Kelven
39. 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.
entropy
law of conservation of energy
First Law of thermodynamics
Conservation of energy
40. Force per unit area
Pressure=
Center of gravity (CG)
Quantum mechanics
Einstein
41. Heat Q= mass of sample x specific heat x temp change
Energy of motion (kinetic energy)
Engine efficiency cannot be 100%
Conduction
Heat capacity equation
42. P(P2-P1)D^4/128Ln n=fluid's viscosity
Projectile
Conduction
Flow through a pipe
atmospheric pressure (atm)
43. 11 -000 kg/m^3
density of lead
Period
bernoulli's equation
First Law of thermodynamics
44. Initial velocity= the square root of 2gh
Thermal radiation
Velocity required for an object to reach height h
Distance traveled
1 BTU
45. The heat transfer by electromagnetic waves - thermal light waves
pressure does what when depth is increased
Radiation
Pressure=
1 BTU
46. Fbottom=Ftop+mg where mg is the weight of the volume
ultrasound
Stable
Internal energy
static fluid formula
47. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.
Convert Celsius to Kelven
Thermodynamics
Mechanics
Einstein
48. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.
Projectile
Second law of thermodynamics
Newton
Heat
49. The change in internal energy= the heat absorbed- the work done
Center of gravity (CG)
law of conservation of energy
Centripedal acceleration=
Distance traveled
50. P x u x A
measure of density
restoring force
mass flow rate formula
atmospheric pressure (atm)