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What causes density to decrease?
Density decreases when the mass of a substance decreases or when the volume of the substance increases. This can happen due to factors such as heating, which can cause expansion and lower the density. It can also occur when adding a less dense material to the original substance, diluting it.
What is the effect of depth on the earth on the value of g?
As you move deeper into the Earth, the value of acceleration due to gravity (g) decreases slightly. This is because the mass directly below you is pulling you down, while the mass above you is also pulling you up. The net effect of these opposing forces is a slight decrease in the value of g as you move deeper into the Earth.
Why g value decreases deep in earth?
The acceleration due to gravity (g value) decreases deep within the Earth because the increasing mass above cancels out the gravitational pull from the mass below. The Earth's interior is not uniformly dense, which also affects the distribution of mass and thus the gravitational force experienced at different depths.
When altitude increases does air density?
Decrease. As altitude increases, the air density decreases because the air molecules are more spread out, resulting in lower pressure and less mass per unit volume. This leads to thinner air at higher altitudes.
Why value of 'g' decreases when you go inside the earth?
Because the value of "g" varies directly with the sum of the masses of the two bodies acted upon by the force of gravity. If you go inside the earth, only part of the mass of the earth will be attracting you toward its center; the mass of the part of the earth that is farther from the center than you are will be attracting you away from the center. If it were possible to reach the center of the earth, the value of "g" would reach zero because the mass of the earth would be acting upon equally you in all directions.
When a submarine pumps water out of its floating tanks its density decrease and it floats why does its density decrease?
Density = mass / volume. If the mass decreases, the density decreases.
If the mass of an object decreases the momentum do what?
If the mass of an object decreases, the momentum of the object will also decrease, assuming the velocity remains constant. This is because momentum is directly proportional to mass; as mass decreases, momentum decreases.
When a submarine pumps water out of its flotation tanks its density decreases and it floats. Why does its density decrease?
Density = mass / volume. If the mass decreases, the density decreases.
As the mass of an object moving at a given speed decreases its kinetic energy does what?
As the mass of an object moving at a given speed decreases, its kinetic energy also decreases proportionally. Kinetic energy is directly proportional to the mass of the object, so a decrease in mass will result in a decrease in kinetic energy.
Can mass decrease and volume decreases what would happen to the density?
If mass decreases while volume decreases as well, the density of the object will remain unchanged. Density is calculated by dividing mass by volume, so as long as both decrease proportionally, the density will stay constant.
When a submarine pumps water out of its flotation tanks it and density decreased and float's does its density decrease?
Density = mass / volume. If the mass decreases, the density decreases.
If mass decreases does density increase?
No its density decreases assuming volume remains constant. Density is defined as mass / volume, so if mass (the numerator) decreases but volume (the denominator) doesn't change, the quotient will decrease.
As a moving object's velocity decreases its momentum decreases?
False. The momentum of an object is the product of its mass and velocity, so if the velocity decreases while the mass remains constant, the momentum of the object will decrease.
Will density decrease or increase if mass stays same but volume increases?
density decreases
What happens to inertia of an object if its mass decreased?
If the mass of an object decreases, its inertia will also decrease. Inertia is directly proportional to mass, so as mass decreases, so does inertia. This means the object will be easier to accelerate or decelerate.
If velocity decreases then does its momentum?
Momentum is the product of mass times velocity. With less velocity, there will be less momentum. (An object's mass will usually not change.)
What happens to gravitaional force when mass decreases?
When mass decreases, gravitational force also decreases. The gravitational force between two objects is directly proportional to the product of their masses. So, a decrease in mass will result in a reduction in the gravitational attraction between the objects.
