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What type of friction can be illustrated by the use of friction created by rubbing pieces of wood together to start a fire?
What type of friction can be illustrated by the use of friction created by rubbing pieces of wood together to start a fire?
- Dry friction (correct)
- Lubricated friction
- Internal friction
- Fluid friction
In the presence of friction, what happens to some kinetic energy?
In the presence of friction, what happens to some kinetic energy?
- It is conserved as mechanical energy
- It is transformed to thermal energy (correct)
- It is dissipated as sound energy
- It is converted to potential energy
What can be a consequence of many types of friction?
What can be a consequence of many types of friction?
- Wear and performance degradation (correct)
- Increase in kinetic energy
- Conservation of mechanical energy
- Enhanced component durability
Which force is friction classified as?
Which force is friction classified as?
What gives rise to dry friction?
What gives rise to dry friction?
What type of friction can be illustrated by the use of friction created by rubbing pieces of wood together to start a fire?
What type of friction can be illustrated by the use of friction created by rubbing pieces of wood together to start a fire?
Which type of friction arises from a combination of inter-surface adhesion, surface roughness, surface deformation, and surface contamination?
Which type of friction arises from a combination of inter-surface adhesion, surface roughness, surface deformation, and surface contamination?
What type of force is friction in terms of energy conservation?
What type of force is friction in terms of energy conservation?
What happens to some kinetic energy in the presence of friction?
What happens to some kinetic energy in the presence of friction?
What can be a consequence of many types of friction?
What can be a consequence of many types of friction?
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