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Q1) A 100 kg block on a horizontal plane is tethered to a 300 kg block on a plane inclined at 60° above horizontal as shown in Fig. Q1.

The tether is attached via a frictionless pulley system such that it runs parallel to both planes. The coefficient of friction between all contact surfaces is 0.2. A force is to be applied to the 100 kg block that will cause motion to the right at constant velocity.

Calculate the difference in magnitude between force applied horizontally to the 100 kg block and minimum applied force which will cause this motion. (16)