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Gravitational field can also be shown by lines of force. This is same in several ways as that of electric lines of forces. With one dissimilarity, electric charges are negative and positive which causes force of attraction among dislike charges and repulsion among like charges. While in phase of gravitation the force is always of attraction.
A line of force is drawn in such a way that at every point the direction of field is tangent to line that passes by the point. Thus tangent to any point on a line of force gives the direction of gravitational field at that position. Lines of forces are given in such a way that their density is proportional to the strength of field.
Superposition principle The general idea is that, while a number of influences are working on a system, the total influence on that system is just the sum of the individual in
Is stone take longer for the downward motion than for the upward motion Consider a stone thrown vertically upward. if we take friction against air into account, we see that the
comparison of magnetic moments using an vibrational magnetometer
What is balance and equilibrium?
Which word in the sentence is the participle? Around the year 1500, Leonardo da Vinci, a great inventor and painter, designed plans for a flying machine, but it was never built.
Kinetics
Object Located Between the Center of Curvature and the Focal Point Ray diagrams are meaningful tools for denoting the location of an image as generates through a concave mirror
A battleship concurrently ?res two shells at enemy ships along the trajectories shown. One ship (A) is close by; the other ship (B) is far away. Which ship gets hit ?rst?
Derive First law of thermodynamics When an amount of heat energy is supplied to the system, part of it enhances internal energy of the system and remaining is utilized by the s
Question: A person is doing effort to locate the image of an object of a plane mirror by means of a ray-tracing diagram. The person draws a ray by the object which strikes the
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