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प्रश्न
A blacksmith hammers a hot piece of iron while making a tool. How does the force due to hammering affect the piece of iron?
उत्तर
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.
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संबंधित प्रश्न
When an elephant drags a wooden log over the land, the forces that are applied on the log are ______, ______ and ______.
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| Group ‘A’ | Group ‘B’ | ||
| (i) | An ox pulling a cart | (a) | Magnetic force |
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| (iv) | Applying brakes to a bicycle | (d) | Gravitational force |
| (v) | Picking up pieces of paper with a plastic scale | (e) | Frictional force |
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