मराठी
महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

The value of universal gravitational constant (G) in the SI unit is _______. - Science and Technology 1

Advertisements
Advertisements

प्रश्न

The value of universal gravitational constant (G) in the SI unit is ______.

पर्याय

  • 6.673 × 10-11 Nm2/kg2

  • 6.673 × 1011 Nm/kg

  • 9.673 × 10-11 Nm/kg

  • 9.673 × 10-11 Nm2/kg2

MCQ
रिकाम्या जागा भरा

उत्तर

The value of universal gravitational constant (G) in the SI unit is 6.673 × 10-11 Nm2/kg2.

Explanation:

This constant appears in Newton's law of gravitation and determines the strength of the gravitational force between two masses.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Gravitation - Choose the correct option.

संबंधित प्रश्‍न

Write the answer of the question with reference to laws of gravitation.

State the universal law of gravitation.


What happens to the force between two objects, if the distance between the objects is doubled and tripled?


The gravitational intensity at the centre of a hemispherical shell of uniform mass density has the direction indicated by the arrow (see Fig 8.12) (i) a, (ii) b, (iii) c, (iv) 0.


At noon, the sun and the earth pull the objects on the earth's surface in opposite directions. At midnight, the sun and the earth pull these objects in same direction. Is the weight of an object, as measured by a spring balance on the earth's surface, more at midnight as compared to its weight at noon?


A person sitting in a chair in a satellite feels weightless because


A solid sphere of mass m and radius r is placed inside a hollow thin spherical shell of mass M and radius R as shown in the following figure . A particle of mass m' is placed on the line joining the two centres at a distance x from the point of contact of the sphere and the shell. Find the magnitude of the resultant gravitational force on this particle due to the sphere and the shell if (a) r < x < 2r, (b) 2r < x < 2R and (c) x > 2R.


Write an expression for the gravitational force of attraction between two bodies of masses m1 and m2 separated by a distance r.


Who stated the law of gravitation?


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


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


A ball is thrown up with a speed of 4.9 ms-1.
Prove that the time of ascent is equal to the time of descent.


Name and state the action and reaction in the following case:
Hammering a nail.


Gravity is another kind of ________. It exerts all through the ________. The Sun's gravity keeps the ___________ in their orbits. Gravity can only be felt with very large ________.


Answer the following question.

What are the dimensions of the universal gravitational constant?


Three uniform spheres, each having mass m and radius r, are kept in such a way that each touches the other two. The magnitude of the gravitational force on any sphere due to the other two is


As observed from earth, the sun appears to move in an approximate circular orbit. For the motion of another planet like mercury as observed from earth, this would ______.


Different points in earth are at slightly different distances from the sun and hence experience different forces due to gravitation. For a rigid body, we know that if various forces act at various points in it, the resultant motion is as if a net force acts on the c.m. (centre of mass) causing translation and a net torque at the c.m. causing rotation around an axis through the c.m. For the earth-sun system (approximating the earth as a uniform density sphere).


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.


If three equal masses m are placed at the three vertices of an equilateral triangle of side 1/m then what force acts on a particle of mass 2m placed at the centroid?


Observe the figure and answer the questions:

  1. State Newton's universal law of gravitation.
  2. If the distance between the two bodies is tripled, how will the gravitational force between them change?
  3. What will happen to gravitational force, if mass of one of the object is doubled?

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×