Advertisements
Advertisements
Question
A blacksmith hammers a hot piece of iron while making a tool. How does the force due to hammering affect the piece of iron?
Advertisements
Solution
While making a tool, a blacksmith hits a hot piece of iron with a hammer. The muscular force applied due to the hitting, which is an example of contact force, stretches the piece of iron, causing a change in its shape.
RELATED QUESTIONS
Name the forces acting on a plastic bucket containing water held above ground level in your hand. Discuss why the forces acting on the bucket do not bring a change in its state of motion.
One or more forces are acting in the following example. Name them.
Winnowing foodgrain: ______
Explain in your own words and give one example.
The force of friction
Why powder is sprinkled on a carrom board?
Why the ramp at a railway station has a rough surface?
In what way are we different the force of friction and gravitational force?
Solve the following crossword puzzle.
Down:
(1) _______ force is to be applied to push a scooter that has failed.
(2) _________ force can be used to pick up scattered pins.
Across:
(1) A _______ pulls an iron nail towards itself.
(3) ________ force was used when the farm was ploughed with a tractor.
(4) It is due to the force of _________ that raindrops fall to the ground.
List out the types of forces on the basis of contact.
There are three solids made up of aluminium, steel and wood, of the same shape and same volume. Which of them would have the highest inertia?
When two bottles with magnets float on water and are brought close together, they move toward each other. Which condition causes this?
