Answer:
<u><em>Frictional force refers to the force generated by two surfaces that contacts and slide against each other.</em></u>
~Hope this helps~ T^T
Answer:2.05 m
Explanation:
Given
Mass of sled 
initial speed 
coefficient of kinetic Friction 
According to work-energy theorem work done by all the forces is change in Kinetic energy

,where d= distance moved



1. ability to be pounded into shapes
2. how well a substance flows
3. the mass divided by its volume
4. degree of smoothness
5. ability to dissolve in another substance
6. how shiny a material is
7. ability to be pulled into a wire