Solving a Homework Statement: Stone with Weight Q

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SUMMARY

The discussion focuses on calculating the average force exerted by a stone weighing 20N that falls from a height of 5 meters and compresses the surface by 5 cm. The formula used is derived from the work-energy principle, specifically mgh = F * delta l. The calculated average force is 196.2N, confirming the correctness of the approach and solution provided.

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Homework Statement


Stone with weight Q=20N falls from height h=5m and goes delta l =5 cm under surface.What is the avarage force of hit ?


Homework Equations





The Attempt at a Solution



is this correct way to solve it

mgh=F*delta l

F=mgh/delta l=(20*9.81*5)/5 =196.2N

correct ?
 
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Looks good to me.
 

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