The Gravitational Attraction a Between Two Masses Varies Inversely as the Square

question 94

Multiple Choice

The gravitational attraction A between two masses varies inversely as the square of the distance between them. The force of attraction is 2.25 lb when the masses are 4 ft apart, what is the attraction when the masses are 6 ft
Apart?

• A) 2 lb
• B) 4 lb
• C) 1 lb
• D) 3 lb

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