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What evidence is there that work is being done?
a) A lever is being used.
b) A simple machine makes a task easier.
c) The rock has a larger force than the boy.
d) The boy uses force to move the rock a distance.

What Evidence Is There That Work Is Being Done A A Lever Is Being Used B A Simple Machine Makes A Task Easier C The Rock Has A Larger Force Than The Boy D The B class=

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Answer:

The boy uses force to move the rock a distance.

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