Give reason questions.
1. War tanks and heavy machinery like bulldozers move on caterpillar tracks.
2. It is easier to pierce a cardboard with a pin if the pin has sharp tips.
3. Submarines are built of hard and thick sheets of metal.
4. As mountaineers climb higher, they sometimes get nosebleed.
5. *Ink pen start leaking at the higher altitudes.
6.*It is easier to slide over fresh snow with skies.
7.*Explain briefly how pressure help us in drinking juice through a straw.
8.*If a force of 2N is applied over an area of 2cm2, calculate the pressure produced.
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pressure pressure pressure pressure
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