A 100-Kg Mass Is Placed on a 25 $\degree$ Incline and Friction Keeps It from Sliding

question 56

Multiple Choice

A 10.0-kg mass is placed on a 25.0 $\degree$ incline and friction keeps it from sliding.The coefficient of static friction in this case is 0.580,and the coefficient of sliding friction is 0.520.What is the frictional force in this situation?

• A)41.4 N
• B)88.8 N
• C)46.2 N
• D)51.5 N

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Definitions:

Symbiotic Relationships

Close interactions between species that live together, often mutually beneficial, but can also include parasitic and commensal relationships.

Parasitism

Symbiotic relationship in which one species (the parasite) benefits in terms of growth and reproduction, to the detriment of the other species (the host).

Mutualism

Symbiotic relationship in which both species benefit in terms of growth and reproduction.

Biosphere

Zone of air, land, and water at the surface of the Earth, in which living organisms are found.