Universal Gravitation

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Presentation transcript:

Universal Gravitation Another Newtonian Law The strength of the gravitational force depends on: mass of the 2 objects distance between the 2 objects

Universal Gravitation The equation… FG = force of gravity G = gravitational constant m1 = mass of the 1st object m2 = mass of the 2nd object r = distance between objects

increase distance = ? Denominator gets exponentially larger decrease gravitational force

decrease distance = ? Denominator gets exponentially smaller increase gravitational force

Increase the mass = ? Numerator gets larger increase gravitational force

Decrease the mass = ? Numerator gets smaller decrease gravitational force

Other Examples What happens to FG if one mass is doubled? tripled? halved?

Other Examples What happens to FG if the distance between the objects is doubled? tripled? halved?

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