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What makes objects neutral?
When they have both equel negatives and positives
Distinguish between an antiseptic and a disinfectant?
Antiseptics; kill or inhibit the growth of microorganisms on the external surfaces of the body.Disinfectants; destroy microorganisms found on nonliving objects.
Do objects absorb water?
Yes, objects can absorb water if they are porous or have spaces within their structure for water to seep into. Materials like sponge, cotton, and paper are examples of objects that can absorb water.
Why are flammable objects flammable?
Flammable objects are able to catch fire easily because they contain molecules that are reactive and can undergo combustion when exposed to heat, oxygen, or a spark. This rapid chemical reaction releases energy in the form of heat and light, resulting in the object burning.
Why does white dries faster than black?
White objects reflect more light and heat compared to black objects, which absorb heat. As a result, white objects do not retain heat as much as black objects, leading to quicker evaporation of moisture and faster drying.
Which form of energy moves spontaneously from hot objects to cold objects?
Heat energy moves spontaneously from hot objects to cold objects through a process called heat transfer. This transfer occurs until both objects reach thermal equilibrium, where they have the same temperature.
What are things that do not need energy?
Non-living objects like rocks, stationary objects, or inert gases do not require energy. Additionally, certain physical processes like diffusion or certain chemical reactions may occur spontaneously without the need for an external energy source.
How does heat change objects?
Heat can change objects by expanding or contracting them due to changes in temperature. This can cause materials to bend, warp, melt, or change properties such as strength or conductivity. In extreme cases, heat can also cause objects to combust or undergo chemical changes.
When no outside forces act on asystem of objects what do the objects do?
If there are no outside forces acting on a system of particles the total momentum of the system will remain constant; i.e. the center of mass of the system will remain at rest or move at constant velocity.
The total momentum of a group of objects is conserved unless?
b. outside forces act on the objects.
What is the relationship between res extensa and physical objects in the external world?
Res extensa refers to the concept of extended substance in the external world, as proposed by philosopher Ren Descartes. In this view, physical objects in the external world are considered to be composed of res extensa, which is the material substance that occupies space and has physical properties. In other words, res extensa is the underlying substance that makes up physical objects in the external world.
What are examples of Objects that are distorted by external forces?
ANY object on which an external force acts will be distorted. The distortion MAY be too small to be obvious. An example would be any object resting on some surface - the force being the force of gravity.
The total momentum of a group of objects is conserved unless what?
The total momentum of a group of objects is conserved unless an external force acts on the system.
Do only moving objects have momentum?
No, momentum is a property of an object that is in motion. However, even objects at rest can have momentum if they have mass and are affected by an external force.
Why can only external forces cause objects to move?
Because of Newton's First Law of Motion.
Objects move when their what is changed?
Objects move when their balance is changed.
Does gravity moves objects upward?
No, gravity pulls objects downward towards the center of the Earth. This is why objects fall towards the ground when they are released. Objects need an external force, such as a rocket or a lifting force, to move them upward against gravity.
