Advertisements
Advertisements
प्रश्न
Write an expression for the gravitational force of attraction between two bodies of masses m1 and m2 separated by a distance r.
Advertisements
उत्तर
`"F" ∝ ("Gm"_1"m"_2)/"r"^2`
Here G is a constant of proportionality called the universal gravitational constant.
APPEARS IN
संबंधित प्रश्न
State two applications of universal law of gravitation.
State and explain Kepler's laws of planetary motion. Draw diagrams to illustrate these laws.
Two small bodies of masses 10 kg and 20 kg are kept a distance 1.0 m apart and released. Assuming that only mutual gravitational forces are acting, find the speeds of the particles when the separation decreases to 0.5 m.
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:
Almost zero
Name and state the action and reaction in the following case:
A person walking on the ground.
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).
Give the applications of universal law gravitation.
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.
Newton's universal law of gravitation applies to ______.
