Question: Consider the situation depicted in this applet. The red blockmoves along a rough surface. The system begins at rest. You mayassume that the pulley and

Consider the situation depicted in this applet. The red blockmoves along a rough surface. The system begins at rest. You mayassume that the pulley and rope are both massless andfrictionless. Which of the following forces act upon the redblock?

tension
gravitational force
friction
normal force

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