In the system shown in the figure below, a horizontal force Facts on an object of mass m₂ = 6.00 kg. The horizontal surface is frictionless. Consider the acceleration of the sliding object as a function of Fx. m₁ m₂ F (a) For what values of Fx (in N) does the object of mass m₁ = 3.30 kg accelerate upward? (Indicate the direction of the force with the sign of your answer. Let the positive x-direction be to the right.) Fx > N N (b) For what values of Fx (in N) is the tension in the cord zero? (Indicate the direction of the force with the sign of your answer. Let the positive x-direction be to the right.) F₁ ≤

In the system shown in the figure below, a horizontal force Facts on an object of mass m₂ = 6.00 kg. The horizontal surface is frictionless. Consider the acceleration of the sliding object as a function of Fx. m₁ m₂ F (a) For what values of Fx (in N) does the object of mass m₁ = 3.30 kg accelerate upward? (Indicate the direction of the force with the sign of your answer. Let the positive x-direction be to the right.) Fx > N N (b) For what values of Fx (in N) is the tension in the cord zero? (Indicate the direction of the force with the sign of your answer. Let the positive x-direction be to the right.) F₁ ≤