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Vectors and Trigonometry

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Physics is the science of the very small and the very large. Learn about Isaac Newton, who gave us the laws of motion and optics, and Albert Einstein, who explained the relativity of all things, as well as catch up on all the latest news about Physics, on

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Question: A 60kg lady experiences 4g on a roller coaster bend. What is the force on her?

Go to the article about: Centripetal and Centrifugal Forces

Lugano English

Quote of the day...

"So," said Sean. "One day the whole world will know about Newton's Laws of Motion?"
"Only if they buy a renewable license," answered Newton. "I write the law. In this world, nothing moves without my say-so."

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