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प्रश्न
What is the importance of the universal law of gravitation?
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उत्तर
The importance of the universal law of gravitation is as follows:
- Through this law, we can find the mass of the earth, sun, etc.
- Using this law, the distance between planets and other bodies is found.
- Due to this force, the moon moves around the earth.
- It is understood from this law that the tides in the sea occur due to the moon and the sun.
APPEARS IN
संबंधित प्रश्न
State two applications of universal law of gravitation.
State the universal law of gravitation. Name the scientist who gave this law.
Two concentric spherical shells have masses M1, M2 and radii R1, R2 (R1 < R2). What is the force exerted by this system on a particle of mass m1 if it is placed at a distance (R1+ R2)/2 from the centre?
A tunnel is dug along a diameter of the earth. Find the force on a particle of mass m placed in the tunnel at a distance x from the centre.
How will the force of gravitation between two objects change if the distance between them is:
Doubled
A force can produce ________, In an object at rest. It can __________ an object and change its __________ of motion.
Name and state the action and reaction in the following case:
A person walking on the ground.
The value of universal gravitational constant (G) in the SI unit is ______.
Complete the chart below.
| F(N) | M1(kg) | M2(kg) | D(m) |
| (a) | 50 | 84 | 02 |
| 16 × 109 | 1.63 × 1022 | (b) | 34 |
If the distance between two objects is doubled, the gravitational force becomes:
