Universal Forces (12.4) Nuclear Forces - Electromagnetic Force -

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Universal forces act over a distance between particles of matter.

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Presentation transcript:

Universal Forces (12.4) Nuclear Forces - Electromagnetic Force - Strong Nuclear- example: Weak Nuclear- Electromagnetic Force - Electric Force: example: Magnetic Force: Universal Forces (12.4) Centripetal Force Gravitational Force - Newton’s Law of Gravitation:

Why doesn’t a satellite in a high orbit need to fire rocket engines to remain in orbit? (pg 382) How is the moon kept in orbit around the Earth? (pg 381) Universal Forces (12.4) How has Issac Newton’s laws of motion & universal gravitation led to the development of modern technology? (pg 382) List several uses of satellites: (pg 382) *