Answer the following questions in one or two sentences.
1. Define the physical quantity that explains the effect of push or pull caused by the interaction of two objects.
2. Define pressure and give its unit.
3. Give an example each of, a force acting by a push and a pull.
4. Name the two main categories of forces.
5. A student was trying to keep two magnets together but was unable to do so as they kept moving away from each other. What could have been the reason behind it?
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2. pressure is the force applied vertically on surface of an object per unit area.
SI unit of pressure is Pascal.
3. push or pull the door.
4. Contact force and non contact force.
5. when same poles of two magnet keeping together then they reples each other.
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