Toby is arm wrestling with his little sister, Claudia. Neither of their hands has moved since they began the match three minutes ago. Which of the following is true?

Both Toby and Claudia are exerting energy, but no work is being done.
Claudia is exerting more energy since Toby is bigger than she is; therefore she is performing more work.
Neither Toby nor Claudia is exerting any energy, so no work has been done.
Both Toby and Claudia are exerting energy, and therefore work is being done.

Question

Toby is arm wrestling with his little sister, Claudia. Neither of their hands has moved since they began the match three minutes ago. Which of the following is true? 
  
 Both Toby and Claudia are exerting energy, but no work is being done. 
 Claudia is exerting more energy since Toby is bigger than she is; therefore she is performing more work. 
 Neither Toby nor Claudia is exerting any energy, so no work has been done. 
 Both Toby and Claudia are exerting energy, and therefore work is being done.

noahbred · Answer

I think its A but it could be D

ganeshie8 · Answer

Hint : 

Work = Force*distance

noahbred · Answer

ohh its D thanksss

ganeshie8 · Answer

Nope.

Both of them are exerting lots of energy, but neither moved. 
That means distance = 0

noahbred · Answer

no i said D not A

ganeshie8 · Answer

Work = Force*distance
          = Force * 0
          = ?

noahbred · Answer

umm Ohhhhhh its C because it is equels 0