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What does a force do in the following case?You catch a kicked ball. - Physics

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प्रश्न

What does a force do in the following case?
You catch a kicked ball.

एक पंक्ति में उत्तर
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उत्तर

Force decreases the momentum of ball and finally stops the ball.

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अध्याय 3: Laws of Motion - Exercise 3 [पृष्ठ १२८]

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फ्रैंक Physics [English] Class 9 ICSE
अध्याय 3 Laws of Motion
Exercise 3 | Q 6.4 | पृष्ठ १२८

संबंधित प्रश्न

Answer the following:

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(a) is zero in any small part of the orbit
(b) is zero in some parts of the orbit
(c) is zero in one complete revolution
(d) is zero in no part of the motion.


A thin spherical shell having uniform density is cut in two parts by a plane and kept separated as shown in the following figure. The point A is the centre of the plane section of the first part and B is the centre of the plane section of the second part. Show that the gravitational field at A due to the first part is equal in magnitude to the gravitational field at B due to the second part.


How will the force of gravitation between two objects change if the distance between them is:
Doubled


Where will you weigh more: at the moon's surface or at the earth's surface?


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Time (s) Distance (m)
0 0
1 1
2 8
3 27

 


Solve the following problem.

Calculate the acceleration due to gravity at a height of 300 km from the surface of the Earth. (M = 5.98 × 1024 kg, R = 6400 km).


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Six point masses of mass m each are at the vertices of a regular hexagon of side l. Calculate the force on any of the masses.


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