The kind of friction that occurs when a fish swims through water is fluid friction. The name alone is a giveaway since water is a fluid. By definition, fluid friction is the resistance to an object's movement through a fluid, where a resistance to a movement through fluid is also termed as viscous resistance.
Answer: The angle between force and displacement should be θ = 90° for minimum work. The angle between force and displacement should be θ = 0° for maximum work.
The four-firm concentration ratio for newstands is 17 and for electric lamp makers it is 89. The HHI for newstands is 105 and for electric lamp makers it is 2 comma 850. The newstand market is an example of monopolistic competition. The electric lamp market is not an example of monopolistic competition
Balanced forces are where two forces of equal size act on an object in opposite directions. It means that in each direction, any pushes and pulls are balanced by another force in the opposite direction.