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TASPhysicsQuick questions
Unit 3: Gravity and Electromagnetism
Quick questions on Gravitation and orbital motion - TCE Physics (Tasmania)
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is newton's law of universal gravitation?Show answer
Newton proposed that any two point masses attract each other along the line joining them with a force proportional to the product of their masses and inversely proportional to the square of their separation:
What is the gravitational field?Show answer
It is often more useful to describe gravity as a field. The gravitational field strength at a point is the force per unit mass placed there:
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