force

Table of Contents

Introduction References & Edit History Related Topics

Images & Videos

Two forces applied simultaneously to the same point have the same effect as a single equivalent force. The resultant force can be found by constructing a parallelogram with the initial force vectors forming two adjacent sides. The diagonal of the parallelogram gives the resultant force vector.

components of Coulomb force

moving a charge

Understanding the International System of Units in science

How are SI-derived units of measurement calculated?

Read Next

Sledgehammer breaking rocks. (demolishing, crushing, blurred motion)

Can Anything Break if You Hit It Hard Enough?

Above the clouds 130 nautical miles below, astronaut Mark C. Lee floats freely without tethers as he tests the new Simplified Aid for Extravehicular Activity (EVA) Spacewalk Rescue (SAFER) system, Sept. 16, 1994. Space Shuttle Discovery, STS-64

Gravity: From Apples to the Universe

Albert Einstein

100 Years of General Relativity

Discover

Young man skeet shooting with airborne shell

6 Unusual Olympic Sports

Shah Jahan. Taj Mahal. Mughal architecture. Emperor Shah Jahan fifth Mughal Emperor (reigned 1628-1658) India, Himachal Pradesh, Basohli or Jammu and Kashmir, Mankot, circa 1690 Drawings; Opaque watercolor, gold, and ink on paper (see notes)

6 Important Mughal Emperors

The Lost Colony of Roanoke, North Carolina, where 115 people mysteriously disappeared c. 1590. John White discovers the word Croatoan carved onto a tree upon his return to the deserted Roanoke Colony in 1590

The Lost Colony of Roanoke

In this aerial photo, structures are damaged and destroyed October 15, 2005 in Balakot, Pakistan. It is estimated that 90% of the city of Balakot was leveled by the earthquake. The death toll in the 7.6 magnitude earthquake that struck northern Pakistan on October 8, 2005 is believed to be 38,000 with at least 1,300 more dead in Indian Kashmir. SEE CONTENT NOTES.

6 of the World’s Deadliest Natural Disasters

Chapter 4 pg 42 - Chapter header of The Adventures of Tom Sawyer by Mark Twain. Published in 1884 by The American Publishing Company

Periods of American Literature

earthquake. Heavily damaged school in the town of Yingxiu after a major earthquake struck China's Sichuan Province on May 12, 2008.

The 6 Deadliest Earthquakes Since 1950

Title: Senate Square, St. Petersburg, December 14, 1825: repression of the troop mutiny - watercolor by Carl Ivanovitch Kollman, 1825 depicts Decembrist uprising clashing with cavalry, with spectators watching. (new style December 26, 1825) Europe. Saint

8 of the Largest Empires in History

force: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

News •

Met police scheme to remove suspect officers ruled unlawful • Feb. 11, 2025, 12:00 AM ET (The Guardian)

Photos and Videos

Two forces applied simultaneously to the same point have the same effect as a single equivalent force. The resultant force can be found by constructing a parallelogram with the initial force vectors forming two adjacent sides. The diagonal of the parallelogram gives the resultant force vector.

components of Coulomb force

moving a charge

Understanding the International System of Units in science

How are SI-derived units of measurement calculated?

See All Videos and Images →

Topics

electromagnetism gravity fundamental force wear friction strong force stress weak interaction equilibrium magnetic force time light energy radiation chemical bonding chemical element subatomic particle atom electricity liquid

Key People

Understanding Newton's theory of universal gravitation

Isaac Newton

English physicist and mathematician

Christiaan Huygens

Christiaan Huygens

Dutch scientist and mathematician

Sir Charles Vernon Boys

British physicist and inventor

Quiz

Italian-born physicist Dr. Enrico Fermi draws a diagram at a blackboard with mathematical equations. circa 1950.

Physics and Natural Law