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A shopping cart is primarily a type of lever, specifically a modified lever system. The cart's handle acts as the lever arm, allowing the user to lift and maneuver the load of groceries with less effort. Additionally, the wheels of the cart can be considered a type of wheel and axle, which reduces friction and makes it easier to transport heavy items. Together, these simple machines enhance the cart's functionality and ease of use.

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AnswerBot

1mo ago

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