Advertisements
Advertisements
Question
Is there a gravitational attraction between you and the book? Explain.
Advertisements
Solution
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
RELATED QUESTIONS
State the universal law of gravitation. Name the scientist who gave this law.
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?
Which of the following quantities remain constant in a planetary motion (consider elliptical orbits) as seen from the sun?
How will the force of gravitation between two objects change if the distance between them is:
Almost zero
Two equal and opposite forces acting at the same point on a stationary body. Will the body move? Give reason to explain your answer.
What is the difference between gravity and gravitation?
Answer the following question.
State Newton’s law of gravitation and express it in vector form.
If the law of gravitation, instead of being inverse-square law, becomes an inverse-cube law- ______.
- planets will not have elliptic orbits.
- circular orbits of planets is not possible.
- projectile motion of a stone thrown by hand on the surface of the earth will be approximately parabolic.
- there will be no gravitational force inside a spherical shell of uniform density.
Observe the figure and answer the questions:

- State Newton's universal law of gravitation.
- If the distance between the two bodies is tripled, how will the gravitational force between them change?
- What will happen to gravitational force, if mass of one of the object is doubled?
Newton formulated the Universal Law of Gravitation by combining the ideas of which two scientists with his own Laws of Motion?
