PDF chapter test TRY NOW
1. A blacksmith hammers a hot piece of iron while making a tool. How does the force due to hammering affect the piece of iron?
a. Iron may be moulded into the shape of the needed tool due to the force from .
b. Hammering changes the of the metal.
2. 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?
a. Force between charged body is called .
b. Like charges .
Register for free to see more content