Looking for formula

  • Thread starter brian0885
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  • #1
brian0885
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I can not figure out the formula for the following question about friction. Need some help! Awooden block slides directly down an inclined plan at a constant velocity of 6m/s, how large is the coefficient of the kenetic friction, if the plane makesan angle of 25 degrees with the horizontal?
 

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  • #2
James R
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Have you drawn a force diagram for the block?

What does constant velocity tell you about the forces?

Where does the 25 degrees come into the calculation? How about the friction coefficient?

Can you show us what you've done so far?
 

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