# 7. Thee 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 the6001000 Ibmagnitudeforce8. A tow truck drags a stalled car along a road. The chain makes an angle of 30° with the road and the tension inthe chain is 1500 N. How much work is done by the truck in pulling the car 1 km?

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Step 1

The force of wind act at 60 degree to the forward direction, so, we calculate component of force in forward direction,and the distance covered is 1 mile,we convert mile into feet

Step 2

Now, the work done by the wind is the product of for...

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MathCalculus