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Why does amoving ball stops after sometime?
It loses its kinetic energy as it does work against frictional force
What is a spring balance use for?
to measure frictional force
Is it possible for a frictional force to increase the mechanical energy of a system?
your question is not clear but fro what i could understand, i can tell you that frictional force always opposes motion of mechanical system ( so it would decrease the system's mechanical energy) therefore i can never increase it.
Are there any situations in which a frictional force can increase the mechanical energy of a system?
No. Friction always acts in the direction opposite to motion, and dissipates energy.
What is the frictional force between a tire and a road?
the energy to change the shape of the tire were it is crunched is a type of drage
How do earthquakes release the energy of frictional stress?
Earthquakes release the energy of frictional stress in forms of seismic waves.
Explain how an frictional energy converts electrical energy?
it does not convert energy is energy.
How can one consider a frictional force on a track as constant while frictional forces are non conservative?
This is a very good question. A conservative force is defined as a force that doesn't remove energy from a system. Such forces as a spring force are conservative. However, wherever a frictional force is exerted, heat is produced. It takes energy to make heat, and the energy comes from the kinetic energy of whatever objects have frictional forces exerted upon them. A frictional force will eventually remove all of the kinetic energy from a system. However, a frictional force is constant. The force of friction is defined as the coefficient of friction times mass times the gravitational constant. (The coefficient of friction is represented as the greek letter mu). Regardless of the remaining Kinetic energy in a system, the frictional force will not change, thus a frictional force is constant, but not conservative. Hope this helps whoever asked this question! --An AP PHYSICS STUDENT
What are frictional losses?
Inefficiencies in a mechanical device related to parts rubbing together such that kinetic energy is turned into heat energy.
Why machine parts oil occasionally?
to reduce the energy loss due to frictional force.
What is a spring balance use for?
to measure frictional force
Why does amoving ball stops after sometime?
It loses its kinetic energy as it does work against frictional force
Is it possible for a frictional force to increase the mechanical energy of a system?
your question is not clear but fro what i could understand, i can tell you that frictional force always opposes motion of mechanical system ( so it would decrease the system's mechanical energy) therefore i can never increase it.
Are there any situations in which a frictional force can increase the mechanical energy of a system?
No. Friction always acts in the direction opposite to motion, and dissipates energy.
What is the frictional force between a tire and a road?
the energy to change the shape of the tire were it is crunched is a type of drage
Why doesn't the principle of mechanical energy conservation hold in situations when frictional forces are present?
In the case of friction, energy is wasted, i.e., mechanical energy is converted into useless energy, mainly heat.
Where does dissipated energy go as in matter and anti-matter annihilation?
the dissipated energy is lost as heat, as well as it is dissipated to do the work against frictional forces.
