Class 8
Physics :-NCERT Solution -Force And Pressure
Page No 143:
Question 6:
A blacksmith hammers a hot piece of iron while making a tool. How does the force due to hammering affect the piece of iron?
Page No 143:
Question 7:
An inflated balloon was pressed against a wall after it has been rubbed with a piece of synthetic cloth. It was found that the balloon sticks to the wall. What force might be responsible for the attraction between the balloon and the wall?