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What Is Friction?
V&V Books Vicens Vives Organización
- 353 visitas
Brief and simple explanation of friction, along with two experiments demonstrating how increasing force between two surfaces can increase friction.
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Une minute de science, s'il vous plaît! / La gravité
Xtec Organización
- 4467 visitas
Les gens qui ont la tête en bas ne tombent pas. Une force d'attraction les maintient sur terre. Les corps dans l'espace sont attirés vers le sol par cette même force. Cette force,…
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Science Please! / Gravity
Xtec Organización
- 2700 visitas
Just' cause you're upside-down, it doesn't follow that you'll fall. There's a force of attraction that keeps your feet firmly on the earth. An object in space is attracted to the…
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Observe. Deformation of a spring
EduBook Organización
- 2222 visitas
The greater the force applied to a spring, the greater the deformation it experiences. When the force disappears, the spring returns to its original length. If the force exerted by weight, w2, is double…
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Mass and weight. Gravitation
EduBook Organización
- 2022 visitas
4.1. Gravitation Gravitation (or gravity) between two bodies with mass is the force of attraction experienced by those bodies due to their mass. The greater the mass of the bodies, the greater the force…
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Calculate. Work and energy
EduBook Organización
- 4609 visitas
Remember what you have studied in this section and answer the questions: How much work is done by a person who moves a piano (which is parallel to the ground) 10 m using a force of 200 N? A person does…
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Match. Economic sectors
EduBook Organización
- 1836 visitas
Match the sentences to the economic sector: 69.6% of the labour force works in this sector. 13.3% of the Spanish labour force works in this sector. This sector includes tourism, commerce and public…
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End-of-unit final evaluation T02 09 - Spain's population
EduBook Organización
- 1753 visitas
Look at the graph and answer the questions: What differences are there between men and women's participation in the labour force between 1900 and 2007? What happened between 1940 and 1960? What do…
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Geography Lesson: What is a Volcano?
V&V Books Vicens Vives Organización
- 1 lo usan
- 2504 visitas
Watch more films and find learning materials at http://www.twig-world.com The cycle of lava as a destructive and constructive force, building the structure o...
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