Advertisements
Advertisements
प्रश्न
Is there a gravitational attraction between you and the book? Explain.
Advertisements
उत्तर
Yes, we have a gravitational force of attraction between us and a book. But our mass is very small so the force between us and the book is very small almost negligible.
APPEARS IN
संबंधित प्रश्न
What is the magnitude of the gravitational force between the earth and a 1 kg object on its surface? (Mass of the earth is 6 × 1024 kg and radius of the earth is 6.4 × 106 m).
Let V and E be the gravitational potential and gravitational field at a distance r from the centre of a uniform spherical shell. Consider the following two statements :
(A) The plot of V against r is discontinuous.
(B) The plot of E against r is discontinuous.
What is meant by the equation :
`g= Gxxm/r^2`
where the symbols have their usual meanings.
Name and state the action and reaction in the following case:
A person walking on the ground.
An apple falls towards the earth due to its gravitational force. The apple also attracts the earth with the same force. Why do we not see the earth rising towards the apple? Explain.
Answer the following question.
What are the dimensions of the universal gravitational constant?
Mahendra and Virat are sitting at a distance of 1 m from each other.Their masses are 75 kg and 80 kg respectively. What is the gravitational force between them? (G = 6.67 × 10-11 Nm2/kg2)
To project the rockets which of the following principle(s) is /(are) required?
Choose the wrong option.
Two particles of equal mass 'm' go around a circle of radius R under the action of their mutual gravitational attraction. The speed of each particle with respect to its centre of mass is ______.
