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प्रश्न
Complete the analogy.
Kicking a ball: Contact force:: Falling of leaf: ______?
उत्तर
Kicking a ball: Contact force:: Falling of leaf: Non-contact force?
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संबंधित प्रश्न
The north pole of a magnet ______ the north pole of another magnet.
Give one example in each case where :
The force is of contact, and
Force is at a distance
Which of the following is a contact force:
Name the physical quantity that causes motion in a body.
Is force needed to keep a moving body in motion?
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?
'More the mass, the more difficult it is to move the body from rest'. Explain this statement by giving an example.
Name the S.I. unit of force and define it .
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.
Does the force of gravity act on dust particles?
