Advertisements
Advertisements
प्रश्न
What does a force do in the following case?
You pull the skin of your arm
Advertisements
उत्तर
Force changes the shape of skin.
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).
Let V and E be the gravitational potential and gravitational field at a distance r from the centre of a uniform spherical shell. Consider the following two statements :
(A) The plot of V against r is discontinuous.
(B) The plot of E against r is discontinuous.
Consider a planet moving in an elliptical orbit round the sun. The work done on the planet by the gravitational force of the sun
(a) is zero in any small part of the orbit
(b) is zero in some parts of the orbit
(c) is zero in one complete revolution
(d) is zero in no part of the motion.
The mass of moon is about 0.012 times that of earth and its diameter is about 0.25 times that of earth. The value of G on the moon will be:
Why don't you feel the force of attraction between your friend sitting close to you and yourself?
Name and state the action and reaction in the following case:
A person walking on the ground.
What is the difference between gravity and gravitation?
State Newton's law of gravitation. What is the difference between:
g and G?
State the universal law of gravitation and derive its mathematical expression.
The gravitational force between two objects acts in which direction?
