The speedometer of a car reveals information about the instantaneous speed of your car.
It shows your speed at a particular instance in time...
Yet, on average, you were moving with a speed of 25 miles per hour.
Hope you liked the example, and glad I could help!
Answer:
The force due to hammering changes the shape of the piece of iron
Explanation:
How hard you hammer the iron while it is hot will cause the iron to change shape or reform the way you want it.
I do not understand what your saying could u plz be more specific?