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
Answer the following:
You can shield a charge from electrical forces by putting it inside a hollow conductor. Can you shield a body from the gravitational influence of nearby matter by putting it inside a hollow sphere or by some other means?
Answer the following:
An astronaut inside a small space ship orbiting around the earth cannot detect gravity. If the space station orbiting around the earth has a large size, can he hope to detect gravity?
Which of the following quantities remain constant in a planetary motion (consider elliptical orbits) as seen from the sun?
A uniform metal sphere of radius a and mass M is surrounded by a thin uniform spherical shell of equal mass and radius 4a (In the following figure). The centre of the shell falls on the surface of the inner sphere. Find the gravitational field at the points P1 and P2 shown in the figure.
The force of attraction between any two material objects is called __________.
State Newton's law of gravitation. What is the difference between:
Gravity and gravitation
Answer the following question.
What are the dimensions of the universal gravitational constant?
Mahendra and Virat are sitting at a distance of 1m from each other. Their masses are 75 kg and 80 kg respectively. What is the gravitational force between them? (G = 6.67 × 10−11 Nm2/kg2)
Complete the chart below.
| F(N) | M1(kg) | M2(kg) | D(m) |
| (a) | 50 | 84 | 02 |
| 16 × 109 | 1.63 × 1022 | (b) | 34 |
The Superposition Principle states that the net gravitational force on an object is ______.
