Which one is different in the catergories? Plus, could you calssify the rest in the group, without the circled one?

A. wheelbarrow
B. wagon
C. car
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D. shopping cart
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I think that the answer is D. shopping cart whing is uderlined or C. car. also, could you please descibe what kind of thing under force a shopping cart is?
--Thank you, Anonymous

2 answers

You must move 3 of those things while C. the car has it's own power.

Sra
thank you