force

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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?

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force: Related Content

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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