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**1. Homework Statement**

You try to lift a block of concrete that has a mass of 80 kg, and you end up producing 700 N of upward force on the block. You do not have any help from levers or pulleys or other machines. How high (if at all) did you manage to lift the block?

**2. Homework Equations**

Work=Force * Distance or F=ma

**3. The Attempt at a Solution**

I tried assuming that t=1 since I wasn't given time so I tried solving for acceleration and ended up with 4 meters being lifted up. I don't know how to solve for work either since I need the number of meters to solve for it (1 N*m=1 J).