Which of the Following Is in Static Equilibrium

question 33

Multiple Choice

Which of the following is in static equilibrium?

• A)a rock resting on the ground
• B)a rock sliding at constant velocity across a frictionless surface
• C)a rock rotating in place on a frictionless surface
• D)a rock rotating at a constant rate as it slides at constant velocity across a frictionless surface
• E)a rock falling off a cliff

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