Two Small Balls, a and B, Attract Each Other Gravitationally

question 60

Multiple Choice

Two small balls, A and B, attract each other gravitationally with a force of magnitude F. If we now double both masses and the separation of the balls, what will now be the magnitude of the
Attractive force on each one?

• A) F
• B) 16 F
• C) F/4
• D) 4 F
• E) 8 F

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Definitions:

Protein Deficiency Anemia

A condition where a lack of protein in the diet leads to a reduction in the body's ability to produce healthy red blood cells, causing anemia.

Idiopathic Cryoglobulinemia

A disorder where abnormal proteins in the blood thicken in cold temperatures, possibly leading to blockage of blood vessels.

Nezelof's Syndrome

A rare immunodeficiency disorder characterized by a decreased function of the thymus gland, leading to low immunity and vulnerability to infections.

Idiopathic Aplastic Anemia

A rare, life-threatening disorder where the bone marrow fails to produce sufficient new cells to replenish blood cells, with unknown cause.