Everyday Physics

Wolfram|Alpha can help you learn more about the fundamental concepts and applications of physics in everyday life. Do calculations using equations that represent the motion of objects, the flow of electricity in a circuit, the interaction of light with matter, the relationship between heat and other forms of energy and more.

Motion & Simple Machines

Do computations using classical laws of motion and gravity.

Compute the motion of a round object on an inclined plane:

ball on incline for 10 seconds

Do a gravitation calculation:

time to fall 1000ft

Compute centripetal acceleration:

centripetal acceleration, 30mph, 500 ft

Compute mechanical advantages of simple machines:

mechanical advantage of a lever
pulley system, n=4

Calculate the shaking frequency of a wet animal:

50 lb wet dog shaking frequency

Optics

Investigate the propagation of light in nature, photography and other applications.

Calculate the height of a rainbow:

altitude of a rainbow

Compute subject magnification:

subject magnification 10m

Electric Circuits

Analyze the flow of electricity in a circuit.

Calculate the power used across an electrical component:

electric power 1.5V, 3A

Compute resistance from resistor color code:

resistor black red green silver

Compute characteristics of an AC signal:

AC source 110V

Famous Physics Problems

Learn more about famous laws of physics.

Find information about a famous physics law:

Newton's laws
third law of thermodynamics

関連する例

  • Dynamics
  • Electric Circuits
  • Optics
  • Physical Constants
  • Physical Principles
  • Physics
  • Sound & Acoustics

    • Sound

    Investigate the propagation of sound through air and other media.

    Compute perceived loudness:

    perceived loudness 110 Hz, 60 dB

    Determine the effect of distance on sound pressure levels in moist air:

    decibel levels in moist air

    Find the maximum distance for hearing a sound:

    furthest distance you can hear 100 dB