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Three robots have to push a cart in the marked x in the fig cart in the horizontal direction along the x axis. The robot 1 is applying a horizontal force of 100 N, which is 60° above the x axis. The robot 2 is applying a horizontal force of 140 N, which is 30° degrees below the x axis (as shown in the figure direction 2 the ure Two robots are F1- 100 60p 30 A (8 points) Find the magnitude of the smallest force that the robot 3 has to exert B (4 points) Find the angle that the force makes with the ty-direction 30° C (8 points) If the robot 3 exerts the minimum force found in part (A) and in p the cart accelerates at 2.00m/s2 in the +x-direction. What is the weight of th 9.1Sin 30s m.2 4.19 ka W- 4.741.946.46 ill be its acceleration if coefficient of kinetic friction μ
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6o I4ON F 166NN 180.

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