Question: A person pulls a block across a horizontal floor. The person pulls with a constant force of 5 0 . 0 N upwards at an

A person pulls a block across a horizontal floor. The person pulls with a constant force of 50.0 N upwards at an angle of 35.0 with respect to the horizontal. The block starts from rest, and after it has moved a horizontal distance of 4.00 m , friction has done -120 J of work on the block. What is the change in kinetic energy of the block as it moves those 4.00 m across the floor?
A person pulls a block across a horizontal floor.

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