Advertisements
Advertisements
Question
Distinguish between gravity and gravitation
Advertisements
Solution
Gravity is the force of attraction between the object and the earth whereas gravitation refers to the force of attraction that exists between any two bodies that possess mass.
APPEARS IN
RELATED QUESTIONS
What happens to the force between two objects, if the distance between the objects is doubled and tripled?
Choose the correct alternative:
Acceleration due to gravity increases/decreases with increasing altitude.
State and explain Kepler's laws of planetary motion. Draw diagrams to illustrate these laws.
Universal law of gravitation states that every object exerts a gravitational force of attraction on every other object. If this is true, why don’t we notice such forces ? Why don’t the two objects in a room move towards each other due to this force ?
Derive an expression for the gravitational field due to a uniform rod of length L and mass M at a point on its perpendicular bisector at a distance d from the centre.
How will the force of gravitation between two objects change if the distance between them is:
Made four times
What is meant by the equation :
`g= Gxxm/r^2`
where the symbols have their usual meanings.
Answer the following question.
State Newton’s law of gravitation and express it in vector form.
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
Particles of masses 2M, m and M are respectively at points A, B and C with AB = ½ (BC). m is much-much smaller than M and at time t = 0, they are all at rest (Figure). At subsequent times before any collision takes place ______.

