Where Does Hammer Energy Go When Hitting Wall?

[ParamTv]

hello sir i am little confused that when we hammering a rigid wall then where the all energy goes supplied by the hammer act.
example:
suppose i am betting a wall with hammer and there is no effect on wall (mean to say wall is not moving or not creaking). Then tell me where the all energy goes into the wall supplied by the hammer act.

 

[mikeph]

The wall is moving, you just can't see it. Whatever kinetic energy is not conserved will be converted to heat and sound in the hammer/air/wall.

 

[CWatters]

If the hammer bounces off the wall then some is still in the hammer.

 

[Danger]

Also, a lot comes back into your own body in the form of vibrations.

 

[Dale]

suppose i am betting a wall with hammer and there is no effect on wall (mean to say wall is not moving or not creaking). Then tell me where the all energy goes into the wall supplied by the hammer act.

Sometimes it helps to think of extreme situations.

If the wall is made of soft clay then when you hit it with a hammer the hammer will "thud" into the wall. In that case the KE of the hammer goes into deforming the wall and the hammer stops.

On another extreme if the hammer is made of rubber then the hammer will "bounce" off of the wall. In that case the hammer changes direction but keeps the KE approximately the same overall.

Hopefully you can think of your situation in the context of those extremes.

 

[russ_watters]

If you've ever used a needle gun(a bunch of little jackhammers), they get extremely hot due to the repeated impacts.