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No it isn't, because the type of image a convex lens forms depends on where the object is relative to the focal point of the lens.
Point
The location like moon will affect its weight but not the mass
Besides the Moon, the Sun has an effect.
The dark area formed by an object that blocks out light is called a shadow.
Nothing whatsoever.
If an object is in motion than its position is changing.
A mirror
It does not matter because the density only matters on the mass and volume.
It can be observed without changing the identity of the object.
Because desity is defined as (mass) divided by (volume), and neither of those quantities depends on the object's shape.
It can be observed without changing the identity of the object.
Mass has no direct effect on the surface area of an object. You can increase mass without changing anything other property of an object. Volume, Size, and Shape effect surface area.
An object that is changing positions is in motion.
This object is changing its position, its velocity, and its acceleration.This object is changing its position, its velocity, and its acceleration.This object is changing its position, its velocity, and its acceleration.This object is changing its position, its velocity, and its acceleration.
1 I'm not sure that this is true-- at least without some qualifications. If an object's shape is changed in such a way that it will enclose one or more pockets of air, some other substance, or even vacuum, the object's over-all density may change. If no pockets are formed, then the density probably is not changed 2 Density is the ratio of mass to volume.
there are not 4 but 3 effects of electric current - heating effect, magnetic effect and chemical effect of electric current