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Why force exerted by a magnetic field on stationary elctric dipole is zero?
The force on a charge by a magnetic field is given by F = Bq v sin@ v - the speed of the charged particle with charge q. B - magnetic field induction in tesla. @ is the angle between the velocity vector and magnetic field vector. As dipole is stationary, the speed of charges is zero. So the force = 0 Hence the result.
What is a formula for downward force?
The formula for downward force is given by the equation F = m * g, where F is the force, m is the mass of the object, and g is the acceleration due to gravity (approximately 9.81 m/s^2).
A measure of how tightly matter is packed?
Density is a measure of how tightly matter is packed. It is calculated by dividing the mass of an object by its volume. The higher the density, the more mass is packed into a given volume.
The amount of shaking produced by an earthquake at a given location is called the?
The amount of shaking produced by an earthquake at a given location is called the intensity. It is measured on the Modified Mercalli Intensity (MMI) scale, which quantifies the level of shaking experienced by people and structures during an earthquake.
Is density a chemical property of matter?
No, density is a physical property of matter, not a chemical property. Density is a measure of how much mass is contained in a given volume of a substance. Chemical properties relate to the behavior of a substance in chemical reactions.
What is the measure of how much matter is given space?
Mass is the measure of how much matter is given space. It is a fundamental property of an object that determines its resistance to acceleration when a force is applied.
What is the equation for frictional force?
F = Ma but the acceleration will be in the opposite direction to that of the object's on which friction force is experienced.
What is the relationship between matter and gravity?
Matter contains energy and energy generates gravitational fields. More correctly, according to the theory of general relativity, energy bends spacetime giving the appearance of a gravitational force. The exact relation between a distribution of matter (energy) and the configuration of the resulting bending of spacetime is given by a set of equations called the Einstein Field Equations.
What is the electric field?
The electric field is defined as the force per unit positive charge that would be experienced by a stationary point charge at a given location in the field.
What is the attractive force between to ions of opposite charge?
covalent bond
Under what conditions gravity between two objects increase?
when the mass of either object increases, or the distance between their centers decreases. It is the attractive force that is affected by the mass of each object or the distance between them. Even though it cannot be proved from 1st principles, the attractive force relationship between the 2 objects is given by (m=mass, d=distance): m1 x m2 --------- d2 Thus, the attractive force increases when either m1 or m2 increases. This force also increases very much (as the square) when the distance decreases.
Definition to electric field?
The electric field is defined as the force per unit positive charge that would be experienced by a stationary point charge at a given location in the field.
Why is E-stilbene solid and Z-stilbene liquid?
The attractive forces between the molecules in E-stilbene must be stronger than the attractive forces holding Z-stilbene together. The degree of attraction between molecules in a substance always accounts for its state of matter at a given temperature.
A change in momentum or impulse can be found by the product of mass and the change in velocity. If a force of 20 N is applied for a 2 seconds on an object. What is the impulse given to the object A) 0?
The impulse given to the object is 40 Ns (Newton-seconds). This is calculated by multiplying the force of 20 N by the time of 2 seconds. Impulse is the change in momentum experienced by an object, and it is equal to the force applied multiplied by the time over which the force is applied.
What is the amount of matter is given space?
The amount of matter is given space is mass.
Why pressure is inversely proportional to volume?
Pressure is given as Force per unit area (ie. 1 Pascal of pressure is the experienced when 1 Newton of force is exerted over an area of 1m^2). Therefore Pressure and Force are proportional to one another. Area the force is exerted over is inversely proportional to pressure.
Can the normal force do work in a given physical system?
No, the normal force does not do work in a given physical system.
