Mike Is Cutting the Grass Using a Human-Powered Lawn Mower

question 62

Multiple Choice

Mike is cutting the grass using a human-powered lawn mower. He pushes the mower with a force of 45 N directed at an angle of 41° below the horizontal direction. Calculate the work that Mike does on the mower each time he pushes it 9.1 m across the yard.

• A)510 J
• B)260 J
• C)410 J
• D)360 J
• E)310 J

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