Three Identical 50-Kg Balls Are Held at the Corners of an Equilateral

question 47

Multiple Choice

Three identical 50-kg balls are held at the corners of an equilateral triangle,30 cm on each side.If one of the balls is released,what is the magnitude of its initial acceleration if the only forces acting on it are the gravitational forces due to the other two masses? (G = 6.67 × 10^-11 N ∙ m²/kg²)

• A)3.7 × 10^-8 m/s²
• B)2.5 × 10^-8 m/s²
• C)1.9 × 10^-8 m/s²
• D)4.2 × 10^-8 m/s²
• E)6.4 × 10^-8 m/s²

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Definitions:

Conservation

The act of preserving, protecting, or restoring natural resources, historical artifacts, or cultural heritage from loss, damage, or decay.

Decentration

In Piagetian theory, the ability to consider multiple aspects of a situation rather than focusing on a single perspective.

Reversal

The act of changing something to its opposite direction, state, or position.

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