A 50 kg crate is at rest on the floor, and you need to move it across a room. The floor you are moving it across has a coefficient of static friction of 0.5 and a coefficient of kinetic friction of 0.3. In order to move it across the room, first you need to move it 5 m to the left, then 7 m forward, then finally 3 m to the right. How much work do you do on the box in order to move it across the room?
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Intro to Calculating Work concept. You can view video lessons to learn Intro to Calculating Work. Or if you need more Intro to Calculating Work practice, you can also practice Intro to Calculating Work practice problems.
How long does this problem take to solve?
Our expert Physics tutor, Jeffery took 3 minutes and 16 seconds to solve this problem. You can follow their steps in the video explanation above.