What is force

Pocket Genius Science: Energy and forces – Forces and movement

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Facts At Your Fingertips: Energy and forces – Forces and movement Whenever an object changes speed or direction, this happens because a force is acting on it. More than 300 years ago, the English scientist Isaac Newton worked out three laws of motion that explain how forces affect movement. First law of motion The first … Read more

Pocket Genius Science: Energy and forces – Forces

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Facts At Your Fingertips: Energy and forces – Forces Forces are pushes and pulls that change an object’s shape or movement. Every time an object speeds up, slows down, or changes direction, this happens because a force is acting on it. Forces such as gravity can act over huge distances, keeping the planets in orbit … Read more