What is the SI unit of work and energy?
AnswerThe joule
Work and energy are both measured in joules, named after physicist James Prescott Joule.
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Work facts & stats
7 fact-checked facts about work, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
In the United States, Labor Day falls on which day?
AnswerThe first Monday in September
US Labor Day honors workers on the first Monday of September.
Going deeper
International Workers' Day is celebrated in many countries on which date?
AnswerMay 1
May 1, or May Day, honors workers in many countries around the world.
Which United Nations agency, founded in 1919, sets international labor standards?
AnswerThe International Labour Organization
The ILO was founded in 1919 and became a UN specialized agency in 1946.
In physics, work done on an object equals the force multiplied by what?
AnswerThe distance moved in the direction of the force
Work equals force times displacement along the direction of the force.
Expert level
One joule of work is done when a force of one newton moves an object how far?
Answer1 meter
A joule is defined as one newton of force acting over one meter.
A watt is a rate of work equal to what?
AnswerOne joule per second
Power is work per unit time, and one watt is one joule per second.
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