Physics, 30.06.2020 01:01 alondris3888

Tina and her puppy are tugging on a rope, each pulling on opposite ends. When is Tina doing work?
O the entire time she plays with the puppy
o whenever she pulls the puppy toward her
O when she holds the rope steady as the puppy pulls it
O when she lets go of the rope and the puppy pulls it away

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Tina and her puppy are tugging on a rope, each pulling on opposite ends. When is Tina doing work?

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