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Questions and Answers
What is the purpose of the experiment described in the text?
What is the purpose of the experiment described in the text?
What is the role of the steel balls in the experiment?
What is the role of the steel balls in the experiment?
Which outcome is NOT intended for students at the end of the experiment?
Which outcome is NOT intended for students at the end of the experiment?
What happens to the steel ball when it reaches terminal velocity?
What happens to the steel ball when it reaches terminal velocity?
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What force opposes the motion of the steel ball in the liquid?
What force opposes the motion of the steel ball in the liquid?
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Viscosity is the resistance of a fluid to flow.
Viscosity is the resistance of a fluid to flow.
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The unit for viscosity coefficient can be measured in MKS (SI) or CGS units.
The unit for viscosity coefficient can be measured in MKS (SI) or CGS units.
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The viscous force opposing the motion of the steel ball depends directly on the speed of the ball.
The viscous force opposing the motion of the steel ball depends directly on the speed of the ball.
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The terminal velocity is the constant speed at which the ball moves when the viscous force and buoyant force balance the weight of the ball.
The terminal velocity is the constant speed at which the ball moves when the viscous force and buoyant force balance the weight of the ball.
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The steel ball decelerates and eventually comes to a stop before reaching the bottom of the jar.
The steel ball decelerates and eventually comes to a stop before reaching the bottom of the jar.
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