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In order to make a reflection the surface of an object must be?
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∙ 12y ago
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∙ 12y ago
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How does the reflection from a convex mirror appear to make object seem smaller?
by magical lepricauns
How can the force of friction be reduced?
Friction can be caused by many things, but generally it is the result of rough surfaces touching other rough surfaces. We calculate the force of friction on an object by multiplying the coefficient of friction for that object AND THE SURFACE IT'S TOUCHING (µ) by the force of gravity acting upon the object (if the object is on a flat surface--if not, you take the component of gravity perpendicular to the surface the object is resting on)--that is, the object's weight. In order to reduce µ efficiently, one could try to lubricate the object, or to sand down any wood surfaces, etc. to make both sides as smooth as possible.
Does friction exist on a stationary object on a flat surface?
Yes. Otherwise, the slightest push would make the object move around.
What happens when light reflects off of a rough surface?
a smooth surface would let all the light through in one direction/angle, but a rough surface would make the different rays of light come out at different angles;making the different coulors more easily visible.
What are four ways to increase the acceleration of an object?
Apply a larger force. Make the object less massive. Decrease air resistance acting on the object. Decrease the coefficients of friction by using a 'smooth' surface, where friction is negligible.
What are mirrors with a flat surface?
to make an reflection
Why do mirrors make such a good reflection?
because of the flat surface
How does the reflection from a convex mirror appear to make object seem smaller?
by magical lepricauns
Why don't rough shiny surfaces don't make good mirrors?
The angle of reflection and coherence of the light coming off a surface relies on the surface being smooth to keep the reflected photons returning at very close to the same pattern as it hits the mirror. A rough surface reflects the photons at many different angles - there is some reflection but in general it is so degrade we can barely see a reflection. The law of law of reflection says that for smooth surfaces, the angle of reflection is the same as the angle of incidence. If the light hits at many different angles, the light returned comes at many different angles; not a good thing for perceiving a reflection.
Can the force of friction be reduced?
Friction can be caused by many things, but generally it is the result of rough surfaces touching other rough surfaces. We calculate the force of friction on an object by multiplying the coefficient of friction for that object AND THE SURFACE IT'S TOUCHING (µ) by the force of gravity acting upon the object (if the object is on a flat surface--if not, you take the component of gravity perpendicular to the surface the object is resting on)--that is, the object's weight. In order to reduce µ efficiently, one could try to lubricate the object, or to sand down any wood surfaces, etc. to make both sides as smooth as possible.
How can the force of friction be reduced?
Friction can be caused by many things, but generally it is the result of rough surfaces touching other rough surfaces. We calculate the force of friction on an object by multiplying the coefficient of friction for that object AND THE SURFACE IT'S TOUCHING (µ) by the force of gravity acting upon the object (if the object is on a flat surface--if not, you take the component of gravity perpendicular to the surface the object is resting on)--that is, the object's weight. In order to reduce µ efficiently, one could try to lubricate the object, or to sand down any wood surfaces, etc. to make both sides as smooth as possible.
Does friction exist on a stationary object on a flat surface?
Yes. Otherwise, the slightest push would make the object move around.
In order to move an object at rest you must make sure the forces acting on that object are?
unbalanced
In order to move an object at rest you must make sure the forces acting on that object are what?
unbalanced
An object is falling down and hits the ground which law of physics describes the force which make the object stop?
Newton's Third Law of Motion For every action, there is an equal and opposite reaction. The object pushes downward on the surface, the surface pushes upward on the object. When the net force is zero, the object comes to rest.
Can you make a reflection about general psychology?
reflection on general psychology
Why does polishing a shoe make it shine?
By polishing, the irregularities of the shoe surface are filled with tan & by rubbing with brush a smooth layer is formed. It shines because much reflection of light takes place on this smooth & regular surface.
