# A block slides down a frictionless incline. As it slides, the block continually accelerates. Is a force doing work on it? Is its total energy changing? (A) No; No(B) Yes; Yes(C) Yes; No(D) No; YesI do know that a force is doing work on it since it accelerates, but I do not understand whether its total energy is changing....

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A block slides down a frictionless incline. As it slides, the block continually accelerates. Is a force doing work on it? Is its total energy changing?

(A) No; No
(B) Yes; Yes
(C) Yes; No
(D) No; Yes

I do know that a force is doing work on it since it accelerates, but I do not understand whether its total energy is changing....

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Step 1

As the block slides down the incline, work is done on the block by frictional force. Total...

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