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-- If doubling one quantity causes the other one to also double, the two quantities

are directly proportional. Their ratio is always the same.

-- If doubling one quantity causes the other one to drop by half, the two quantities

are inversely proportional. Thier product is always the same.

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Is acceleration directly proportional to mass or is it inversly proportional to mass?

Depends what u mean by that. If it is free falling it would obviously be accelerating at 9.8m/s^2. If there is an incline then it depends. I believe acceleration is directly proportional to velocity though.


What does it mean to say momentum is directly proportional to mass and velocity?

Being proportional means that if you change one by a given factor, the other will change by that factor as well. Being proprtional to both means it is proportional to their product, i.e. momentum equals mass times velocity, p = mv.


What does it mean to say that two varies are directly proportional?

When two variables are directly proportional, it means that as one variable increases, the other variable also increases at a constant rate. In mathematical terms, this relationship can be expressed as y = kx, where y is one variable, x is the other variable, and k is a constant value.


What gas expands when heated?

Most gases will expand when they are heated because heating increases the kinetic energy of their molecules, causing them to move faster and spread out more. This expansion is described by the ideal gas law, which states that the volume of a gas is directly proportional to its temperature.


How can you tell that a motion is simple harmonic?

A motion is simple harmonic if the acceleration of the particle is proportional to the displacement of the particle from the mean position and the acceleration is always directed towards that mean position.

Related Questions

What does indirectly mean in science?

it means not directly


What does directly or indirectly mean?

Directly means following a straight/shortest path. Indirectly means not following a straight/shortest path.


What does it mean when something is directly proportional?

Directly proportional means that both variables increase or decrease at the same time.


Is slalom skiing directly or indirectly?

If you mean contacting with the gates yea


Is mean directly proportional to standard deviation?

No. Not at all. Whoever told you that fails statistics forever.


Is acceleration directly proportional to mass or is it inversly proportional to mass?

Depends what u mean by that. If it is free falling it would obviously be accelerating at 9.8m/s^2. If there is an incline then it depends. I believe acceleration is directly proportional to velocity though.


What does inversely and directly proportional mean?

Inversely proportional means that one variable goes up while the other goes down. Directly proportional means that both variables increase or decrease at the same time. ex: The volume of a gas at constant pressure is inversely proportional to gas pressure, thus this means that as pressure increases, the volume of the gas will decrease. ex: The volume of a fixed amount of gas is directly proportional to absolute pressure, thus this means that when you heat a gas the volume also increases.


How do the changes in mass and distance effect the force of gravity?

Bigger masses mean a bigger force of gravity. Bigger distances mean smaller forces. Mathematically, the force is directly proportional to the product of the masses, and inversely proportional to the square of the distance.


What do you mean by gravitation?

The gravitational force most commonly refers to Newton's low of universal gravitation. The for is directly proportional to the product of the mass of the two interacting bodies and inversely proportional to the square of the distance between them.


What do you mean gravitation?

The gravitational force most commonly refers to Newton's low of universal gravitation. The for is directly proportional to the product of the mass of the two interacting bodies and inversely proportional to the square of the distance between them.


What is a principal of resistance?

basically it slows down the flow of current.max resistace = no currentmin. resistance = fullcurrent.AnswerI think you mean the principle, not 'principal', of resistance!Resistance is a natural property of any conducting material, and is determined by the length, cross-sectional area, and resistivity of that material. As resistivity is affected by temperature, temperature indirectly affects resistance.Resistance is directly proportional to length -e.g. double the length of a conductor, you double its resistance.Resistance is inversely proportional to area -e.g. double the area of a conductor, you halve its resistance.Resistance is directly proportional to resistivity, which is determined by the material from which the conductor is made.Resistance does not 'slow down' an electric current. It acts to limit the current.


What do you mean by gravitational force?

The gravitational force most commonly refers to Newton's low of universal gravitation. The for is directly proportional to the product of the mass of the two interacting bodies and inversely proportional to the square of the distance between them.