Question: Ethan drags his backpack on the floor by a string after a long day. He pulls with a force of 32.78N at an angle 68.48

Ethan drags his backpack on the floor by a string after a long day. He pulls with a force of 32.78N at an angle 68.48∘ above the horizontal. How many newtons of force is pulling the backpack forward?

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