Advertisements
Advertisements
प्रश्न
State whether the gravitational force between two masses is attractive or repulsive ?
Advertisements
उत्तर
Gravitational force is always attractive .
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).
Choose the correct alternative:
Acceleration due to gravity is independent of mass of the earth/mass of the body.
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.
The acceleration produced by a force in an object is directly proportional to the applied _________ And inversely proportional to the _________ Of the object.
What does a force do in the following case?
You pull the skin of your arm
The distance-time values for an object moving along straight line are given below:
| Time (s) | Distance (m) |
| 0 | 0 |
| 1 | 1 |
| 2 | 8 |
| 3 | 27 |
The _______ force is much weaker than other forces in nature.
State the universal law of gravitation and derive its mathematical expression.
Law of gravitation gives the gravitational force between
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.
