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प्रश्न
Collect more information about the various forces that are used in our day-to-day life.
कृती
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उत्तर
- Muscular force: We use muscular force while walking, running, lifting objects, pushing a door, riding a bicycle and carrying a school bag.
- Mechanical force: Machines such as vehicles, pumps, cranes and mixers use mechanical force to perform different tasks.
- Frictional force: Friction helps us to walk without slipping, hold objects firmly, write with a pencil and apply brakes to stop a vehicle.
- Gravitational force: The Earth pulls all objects towards itself. Because of gravity, objects thrown upward come down and fruits fall from trees.
- Magnetic force: Magnets attract iron objects. This force is used in devices such as magnetic door catches, speakers and electric bells.
- Electrostatic force: Rubbing certain objects produces electric charges that can attract light objects such as small pieces of paper or hair.
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