What happens when a ray is directed onto a mirror?
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<h3>A<em>n expression for f in terms of m, g, θ, and μs </em></h3><h3><em>
</em></h3><h3><em>Further explanation</em></h3>
On an object, there is a resultant force
Four styles usually work on objects, including:
gravity force, normal force and friction force
Gravity force itself is expressed as weight
While the normal force is a force acting on the touch plane of two surfaces and the direction is perpendicular
Friction force is the force that occurs when two objects touch each other
The direction of friction is opposite to the direction of motion
In the event of friction, there is a static friction force (fs), which is the frictional force at the position of a stationary object and the kinetic friction force acting when the object is moving (fk).
The equation is stated in
fs = us.N
fk = uk.N
us = static friction
uk = kinetic friction
If we want to express the force of push/pull by including μs, then the condition of the object is right to going to move
When in a state of silence, the force works :
In the vertical direction
N + Fy-mg = 0 ...(equation 1)
Fy = force in the direction of the y-axis
Fy = F sin θ
While N is obtained from:
fsmax = μs.N (fsmax = when the object starts to move)
So the equation 1 becomes:
fsmax /μs + F sin θ -mg = 0
F sin θ = mg - fsmax / μs
F = (mg-fsmax /μs) / sin θ
<h3><em>Learn more</em></h3>the magnitude of the resultant force
the net force on an object
multiple forces act on an object
Keywords: Friction, resultant force, weight