हिंदी

Law of gravitation gives the gravitational force between

Advertisements
Advertisements

प्रश्न

Law of gravitation gives the gravitational force between

विकल्प

  • the earth and a point mass only

  • the earth and Sun only

  • any two bodies having some mass

  • two charged bodies only

MCQ
Advertisements

उत्तर

any two bodies having some mass

Explanation:

The Law of gravitation gives the gravitational force between any two bodies having some mass as it is a universal law.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 10: Gravitation - Multiple Choice Questions [पृष्ठ ६५]

APPEARS IN

एनसीईआरटी एक्झांप्लर Science Exemplar [English] Class 9
अध्याय 10 Gravitation
Multiple Choice Questions | Q 7. | पृष्ठ ६५

वीडियो ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्न

The earth and the moon are attracted to each other by gravitational force. Does the earth attract the moon with a force that is greater or smaller or the same as the force with which the moon attracts the earth? Why?


The gravitational field in a region is given by \[E = \left( 2 \overrightarrow{i} + 3 \overrightarrow{j} \right) N {kg}^{- 1}\] . Show that no work is done by the gravitational field when a particle is moved on the line 3y + 2x = 5.

[Hint : If a line y = mx + c makes angle θ with the X-axis, m = tan θ.]


A ball is thrown up with a speed of 4.9 ms-1.
Calculate the time it takes to reach this height.


Solve the following problem.

Find the gravitational force between the Sun and the Earth.
Given Mass of the Sun = 1.99 × 1030 kg
Mass of the Earth = 5.98 × 1024 kg
The average distance between the Earth and the Sun = 1.5 × 1011 m.


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).


State the universal law of gravitation and derive its mathematical expression.


Shown are several curves (Figure). Explain with reason, which ones amongst them can be possible trajectories traced by a projectile (neglect air friction).


Four identical particles of equal masses 1 kg made to move along the circumference of a circle of radius 1 m under the action of their own mutual gravitational attraction. The speed of each particle will be ______.


For an object outside a uniform solid sphere, from where is the sphere's mass considered to act?


The gravitational force between two objects acts in which direction?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×