Net-Force Question

  • Thread starter Emperor
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  • #1
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Homework Statement



A 20 kg crate is lifted by an upward force of 200 N. The crate's upward acceleration is:


Homework Equations



F = ma

a = F ÷ m

The Attempt at a Solution



I can't for the life of me find the answer to this question (which is supposedly .2 m/s^2). I don't know how to get an answer like that, the best I can come up with is 10 m/s^2 using the formula above. Help will be appreciated, thank you.
 

Answers and Replies

  • #2
ehild
Homework Helper
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What forces act on the crate?

ehild
 

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