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# Need some help with physics question jan 2005 g484 (q2a) watch

1. I have completed the question up to 2a (iv) . I dont understand, the mark scheme mentions that the force is opposite to the direction of flow of water, but how can this be?

2. (Original post by sulexk)
I have completed the question up to 2a (iv) . I dont understand, the mark scheme mentions that the force is opposite to the direction of flow of water, but how can this be?

If you post the exam paper and solution paper, people can help you much more easily - can you post a link, or better yet an image of the question, please?
3. well what is the question?
5. Here is the link thank you

7. (Original post by M_E_X)
If you post the exam paper and solution paper, people can help you much more easily - can you post a link, or better yet an image of the question, please?
Sorry, thank you for your help, here is the question:

8. (Original post by sulexk)
Sorry, thank you for your help, here is the question:

The idea of equal and opposite forces (Newtons third law). If the showerhead shoots water in one direction (ie exerts a force on the water in that direction), the water exerts a force back on the showerhead, equal in magnitude but opposite in direction.
9. (Original post by M_E_X)
The idea of equal and opposite forces (Newtons third law). If the showerhead shoots water in one direction (ie exerts a force on the water in that direction), the water exerts a force back on the showerhead, equal in magnitude but opposite in direction.
Ah yes, I just found that difficult to imagine but it makes sense, since when the water is released the showerhead exerts a force on the water, and the water exerts an equal and opposite force on the "showerhead". Thank you it makes sense.

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