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प्रश्न
Give one example in each case where :
The force is of contact, and
Force is at a distance
उत्तर
- Force exerted on two bodies during collision.
- Magnetic force between magnetic poles.
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संबंधित प्रश्न
Which of the following is a contact force:
A ball is moving on a perfectly smooth horizontal surface. If no force is applied on it, then will its speed decrease, increase or remain unchanged?
A car of mass 800 kg, moving at 54 kmh−1 is brought to rest over a distance of 15 m. Find the retarding force developed by the brakes of the car.
Explain the following:
Why do we jerk wet clothes before spreading them on a line?
The CGS unit of force is dyne:
∴1 N = __________ dyne
Complete the analogy.
Kicking a ball: Contact force:: Falling of leaf: ______?
The force which acts on an object without physical contact. ______
While sieving grains, small pieces fall down. Which force pulls them down?
Does the force of gravitation exist between two astronauts in space?
Fruits detached from a tree fall down due to the force of gravity. We. know, that a force arises due to the interaction between two objects. Name the objects interacting in this case.
