To move a box you pull on the handle as indicated in the diagram shown below wit

Question

To move a box you pull on the handle as indicated in the diagram shown below with a constant force F . The mass of the box is m = 8 kg and the angle ? = 22. What is the magnitude of the normal force?

mg + F sin ?

mg ? F cos ?

mg

mg ? F sin ?

mg + F

mg + F cos ?

To move a box you pull on the handle as indicated in the diagram shown below with a constant force F . The mass of the box is m = 8 kg and the angle ? = 22½. What is the magnitude of the normal force? mg + F sin ? mg ? F cos ? mg mg ? F sin ? mg + F mg + F cos ?

Explanation / Answer

mg-F sin theta because the verticle component acts opposite to the mg

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