7. The e wind passing over a boat's sail exerted a 1000- wind perform in moving the boat forward 1 mile? Answer in foot-pounds. lb magnitude force F as shown.. How much work did the 600 1000 Ib magnitude force 8. A tow truck drags a stalled car along a road. The chain makes an angle of 30° with the road and the tension in the chain is 1500 N. How much work is done by the truck in pulling the car 1 km?

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